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VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
vector                          POINTING TO SAFER AVIATION
September/October 2013

                         Agricultural Aviation Safety
                         Flight Helmets are Good Insurance
                         Wellington Airspace Changes
                         Planning an Aviation Event
VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
In this issue...
                                                                                                                                            Post-incident Drug and Alcohol Testing                                    3

                                                                     New Approach for                                                       New Approach for Agricultural
                                                                     Agricultural Aviation Safety                                           Aviation Safety                                                           4

                                                                     A Sector Risk Profile on agricultural                                  Runaway Aircraft                                                          8

                                                     4
                                                                     aviation has been developed and
                                                                                                                                            Flight Helmets are Good Insurance                                         9
                                                                     published in partnership with the
                                                                     Agricultural Aviation Association.                                     New Aeronautical Charts                                               10
                                                                     We look at the profile and the 16
                                                                     areas identified for action.                                           It's More than Vector                                                 10
                                                                                                                                            Changes for Wellington
                                                                                                                                            Controlled Airspace                                                   11
                                                                     Flight Helmets are                                                     Planning an Aviation Event                                            12
                                                                     Good Insurance                                                         Model Aircraft                                                        14
                                                                     A pilot’s recent encounter with a                                      Remotely Piloted Aircraft                                             15

                                                      9
                                                                     helicopter tail rotor has emphasised the
                                                                     value of a good flight helmet. We give                                 Model Aircraft and Privacy                                            15
                                                                     some guidelines about care and
                                                                     maintenance.                                                           Pilot Training for the Future                                         16
                                                                                                                                            Obstructive Sleep Apnoea                                              17
                                                                                                                                            Military Exercise                                                     19
                                                                     Changes for Wellington                                                 Backup Logbook Information                                            19
                                                                     Controlled Airspace
                                                                                                                                            Night Flight Operations                                               20
                                                                     Major changes to Wellington controlled

                                                   11
                                                                     airspace are coming soon. We highlight                                 New Avsec General Manager                                             22
                                                                     where the affected areas are and how
                                                                     this might affect your operation.                                      Recreational Pilot Licence Changes                                    22
                                                                                                                                            Guidelines for Small
                                                                                                                                            Aviation Organisations                                                23
                                                                                                                                            National Airspace and
                                                                                                                                            Air Navigation Plan                                                   23
                                                                     Planning an Aviation Event
                                                                                                                                            How to Get Aviation Publications                                      23
                                                                     Start your planning early if you are
                                                                     planning an aviation event. It’s important                             Planning an Aviation Event?                                           23

                                                   12
                                                                     to allow time because of the various
                                                                     requirements that may include approval                                 Accident Briefs                                                       24
                                                                     from the Director, special airspace, and
                                                                     notification by AIP Supplement.                                        GA Defects                                                            26
                                                                                                                                            Try our new search engine                                             28

    Cover: A Grumman Ag Cat agricultural aircraft at work. See New Approach for Agricultural Aviation Safety on page 4.

    Published by                                     Publication Content                                    Free Distribution                                   Change of Address
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    Wellington 6140.                                 necessarily reflect the policy of the Civil Aviation   aircraft maintenance engineer licence holders,      of address, quoting your CAA Client Number.
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                                                                                                                                                                or freephone 0800 GET RULES (0800 438 785).
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                                                     welcome and may be published, but the Editor
    Editor Peter Singleton.                                                                                 New Zealand address given, to ensure                Reproduction in whole or in part of any item in
                                                     reserves the right to edit or abridge them,
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2                         vector       September/October 2013                                                                                                                             ISSN 1173-9614
VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
Post-incident Drug
      and Alcohol Testing
      To aid the CAA's investigative processes, we need adventure
      aviation operators to submit post-incident drug and alcohol tests as
      soon as practicable.

      E
           very aviation occurrence gives          exposition. It’s your responsibility to      Operators must follow the drug and
           the CAA valuable information that       make sure that any employees working         alcohol testing procedures that have
           we    can     learn   from,  and        in safety critical roles are not impaired    been outlined in their expositions.
      subsequently, disseminate.                   by drugs and alcohol,” says Rex.             “Ultimately, we want to make sure
      During this post-incident investigative      Conducting post-incident testing will        that anyone who gives adventure
      process, we need to eliminate drugs and      also allow you to identify employees         aviation activities a try, goes home
      alcohol as a potential causal factor.        who are in need of an employee               safely,” says Ed.
                                                   assistance programme.
      Managing Risk                                In addition to post-incident testing,        Third Party Testing
      Chris Hilson, New Zealand Drug               Part 115 operators must test for drugs       The CAA recommends that operators
      Detection Agency (NZDDA) Chief               and alcohol:                                 enlist an independent accredited tester
      Executive, highlights the importance of      »» before employment commences               to conduct drug and alcohol testing.
      managing the risk associated with drug          (when an individual is first employed     Although employers can perform the
      and alcohol consumption.
                                                      or contracted)                            tests themselves to reduce costs, the
      “If you look at the NZDDA’s 2012                                                          results may be challenged if the tests
                                                   »» with reasonable cause during
      statistics, five per cent of the workplace                                                are not performed accurately.
                                                      working hours if it is believed an
      post-incident tests we conducted in the
                                                      individual may be affected by drugs       If you need advice relating to drug and
      transportation sector returned a positive
                                                      or alcohol, and                           alcohol testing, contact the CAA Health
      result. Operators must have post-
                                                   »» on a random basis.                        and Safety in Employment Unit,
      incident testing procedures in place to
                                                                                                email: hsu@caa.govt.nz.
      isolate and mitigate the risks associated    Ed Randell, CAA Manager Health and
      with drug and alcohol consumption in         Safety, explains that post-incident
      the workplace,” says Chris.                  testing isn’t just crucial for your
                                                   business; it’s important for the sport and
      Operator Responsibilities                    recreation industry as a whole.
      Rex Kenny, Manager Special Flight            “Fatal accidents have occurred in
      Operations and Recreational Aviation,        recreational aviation where drug usage
      comments that it’s widely recognised         has been detected. We now need to
      by those in the adventure aviation           build confidence in the sector by
      sector that there’s no place for drugs       showing that all operators are acting
      and alcohol.                                 professionally.
      “As an adventure aviation operator, you      “We’re not trying to catch people out –
      must follow the post-incident testing        it’s about trying to make sure the Part
      procedures outlined in your company’s        115 system is seen to be credible.

©istockphoto.com/ DNY59

                                                                                                    vector   September/October 2013       3
VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
New Approach
    for Agricultural
    Aviation Safety
    A Sector Risk Profile has been developed in a partnership between the CAA and
    the Agricultural Aviation Association. The new approach to Safety Management
    Systems focuses on risk, and agricultural aviation is a high risk business.

    M
              ost     aerial      agricultural   risk-based regulatory oversight.             have a structured means to effectively
              operations are flown in heavily                                                 use resources. This ensures that the
              laden aircraft, at low level in
                                                 Risk-based Regulation                        highest risk sectors of industry will be
    challenging     terrain.      Specialised                                                 managed first.
                                                 The CAA is committed to the concept of
    equipment and highly skilled people are
                                                 adopting a risk-based approach to            “This is one of the main reasons why
    needed to operate this sector.
                                                 regulatory oversight. This is in line with   the agricultural aviation sector was
    Apart from the obvious operational           International Civil Aviation Organisation    selected to undergo a Sector Risk
    concerns, participants are also subject      (ICAO) requirements for regulatory           Profile,” said John.
    to many other factors affecting safety.      bodies to develop a State Safety
    These include business performance,
    local   weather     conditions,    and
                                                 Programme (SSP).                             About the Sector Risk
    personal issues.                             The development of the SSP will be in        Profile
                                                 accordance with ICAO Annex 19                A Sector Risk Profile (SRP) is an
    Despite significant effort from the CAA
                                                 Standards and Recommended Practices.         effective tool that CAA and industry can
    and the aviation industry, the safety
                                                 This includes the implementation of a        use. It is designed to focus resource
    performance in this sector remains poor.
                                                 formal SMS by aviation organisations.        and effort towards areas of the industry
    The CAA and industry have agreed that                                                     of greatest risk.
                                                 John Kay, CAA General Manager Policy
    a new approach to managing risk is
                                                 and Systems Interventions explains           For the agricultural aviation SRP, an
    needed.
                                                 what this means for the agricultural         independent          company          was
    We have seen the development of              aviation sector, and the CAA.                commissioned to develop the profile.
    Safety Management Systems, known as                                                       They conducted extensive research, and
                                                 “The aviation industry is dynamic and
    SMS, as a positive approach to safety-
                                                 safety-risk factors also change. Without     a review of historical documents and
    related risk. When in place, SMS
                                                 ongoing effort, there is a potential for     data. They also conducted personal
    structure ensures a proactive approach
                                                 risks to increase due to factors such as     interviews with CAA staff, industry
    to    risk   identification  and    risk
                                                 introducing new technology, and              representatives, industries that support
    management. Risks can then be
                                                 commercial pressures.                        agricultural aviation, and farmer clients.
    identified and treated before they lead
    to unsafe or dangerous outcomes. This        “The     regulator    and    aviation        From the collected information, a report
    is not only for safety, but also for         organisations need to employ a risk-         was produced that identified a number
    business enhancement.                        based approach to safety management.         of risks.

    SMS is part of a global change to how        “One of the main objectives of risk-         Operators  are   responsible  for
    regulators carry out their obligations –     based regulation for the CAA, is to          managing their own risk. The SRP

4            vector   September/October 2013
VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
Photo courtesy of Craig Hayden

enables them, and the CAA, to now           the New Zealand Agricultural Aviation         contributed to the SRP process. Further
have an accurate understanding of the       Association (NZAAA) Conference in             work was carried out during workshop
risks attached to their businesses.         June. We have had a lot of feedback           sessions at this year's Conference. This
With this information, both groups can      and discussion from this presentation,”       allowed    pilots,    loader     drivers,   and
work     together   to    set   safety      said Steve.
                                                                                          management       to    work      together    on
performance goals, and reduce risk.
                                                                                          identification of risks.
                                            How Will the Risk be
What Are These Risks?                       Reduced?                                      John Sinclair is an experienced aviator
                                                                                          and helicopter operator. He is part of the
Risk can be defined as the chance           The report provides the risk statements
                                                                                          NZAAA team involved in the risk
something could happen, and risk            and likely consequences. It also shows
management as the identification of         treatment strategies. These detail            profiling. Here he discusses the SRP
safety risks enabling proactive control     relevant ideas for all SRP parties to         process from an industry perspective.
of the potential outcome of these risks.    use as the basis for developing ways
                                                                                          “The risk-based approach to regulation
                                            to reduce the attached risk. The
Sixteen risk elements have been                                                           is a new and logical step for industry.
                                            reduction measures will need to be
identified in the agricultural aviation                                                   It is a better way for us to deal with
                                            further developed into actual tasks
SRP. The report has placed them into                                                      issues affecting our business operations.
                                            that can be carried out. Systems will
risk levels ranging from Medium to                                                        Risk assessment, and risk management
                                            then need to be developed to track the
Very High. These levels are determined                                                    are not unknown to the agricultural
                                            work results, provide resource as
by assessing the likelihood of the risk
                                            required, and establish timeframes for        sector. We have known of those factors
occurring      and     the     possible
                                            completion of tasks.                          that greatly affect us. Just how we have
consequences.
                                            Steve Kern explains, “From the meeting        managed them is the likely question. We
Examples of identified risk elements                                                      have embraced QMS in the past, and
                                            with industry, we hope to prioritise the
include aircraft performance and                                                          now look forward to SMS.
                                            reported risks and treatments. From this
maintenance; operator obligations;          we will set targets for completion of the
pilot training; and airstrip conditions.                                                  “The relationship between CAA and
                                            many tasks required.
                                                                                          NZAAA is very good and the ability to
Steve Kern, CAA Manager Helicopter          “Obviously, we cannot mitigate all the        work closely with the regulator on the
and Agricultural, talks about the SRP       risks at once. For a start, we will look at
process to date.                                                                          risk reduction programme will have
                                            five or six risks that we can realistically
                                                                                          positive   outcomes        for    our   safety.
“The SRP has been a valuable step to        all work on,” he said.
                                                                                          We have our role to play and the CAA
look into the agricultural aviation
                                                                                          has theirs.
sector. It certainly gives us a focus for   An Agricultural Aviation
tackling risk and improving safety.         Sector View                                   “We also enjoyed working with the

“We are due to meet with industry to                                                      contractor developing the SRP, and
                                            The NZAAA is a co-sponsor of the SRP
discuss the next steps. The essential       and, along with other members of the          they have valued our experience and
elements of the SRP were delivered to       agriculture industry,  has    actively        input too,” said John.

                                                                                                                      Continued over   »
                                                                                               vector   September/October 2013                   5
VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
Photo courtesy of Dan Retief

    FIGURE 7 C
    Current Risk Profile

                                                                       Likelihood

                                                       CERTAIN               LIKELY                 POSSIBLE                UNLIKELY

                                                                                                                               HIGH
                       EXTREME                        VERY HIGH           VERY HIGH                   HIGH
                                                                                                                                  10
      Consequence

                                                      VERY HIGH                HIGH                    HIGH
                       CRITICAL                                                                                               MEDIUM
                                                          1                2    3     4                  9

                                                        HIGH                   HIGH                 MEDIUM
                        MAJOR                                                                                                 MEDIUM
                                                          5                6    7     8      11 12 13 14 15 16

                        MINOR                           HIGH                MEDIUM                     LOW                      LOW

    Other
    FIGURE 7 Aviation
             P        Sectors                             “We are seeing the strong move to risk-     John Kay sees the strong interaction
                                                          based assessment and regulation in the      with industry as a positive sign.
    The agricultural sector has already
                                                          aviation industry. This is evident with
    endorsed the value of a strong,                                                                   “The agricultural sector was chosen to
                                                          the promotion of the implementation of
    independent look at how their                                                                     start the SRP process. So far, we have
    businesses manage risk.
                                                                    LIKELIHOOD
                                                          Safety Management Systems into our
                                                                                                      seen strong engagement from this
                                                          businesses. The Sector Risk Profile is
    Their Sector Risk Profile is the first                                                            industry to make the process work.
                                                an integral part of this move.
    in     an     extensive     programme.                                                            “We look     forward to working closely
                                             CERTAIN
                                                “It is about seeing theLIKELY
                                                                        risks and changing           POSSIBLE                UNLIKELY
    Other sectors of the New Zealand                                                                  with the agricultural industry in the
    aviation community will soon undergo        our  behaviour  to develop  a strong safety
                                                                                                      future, and helping them achieve a
    participation in their own sector           culture   and environment.   The SRP gives
                                                                                                      reduction of risk. This is the desired
    risk profile.                               us    focus.  We   can  then   see all the
                    EXTREME              VERY HIGH      (1)        VERY   HIGH   (2)                 outcome
                                                                                                     HIGH (5) – a safe aviation environment,”
                                                                                                                              HIGH  (9)
                                                significant risks and issues affecting   us
      CONSEQUENCE

    Graeme Martin, Chairman of the                                                                    said John.
                                                and what we need to do to reduce or
    Aviation Industry Association board,
                                                eliminate them. We now have the ability               For further reading see Vector, SMS
    and Immediate Past President of the                                                              HIGH (8)in the July/August
                                                                                                                          MEDIUM
                                                to treat the symptoms.                               Update,                    2013(12)
                                                                                                                                     issue.
    NZAAA, sees the CRITICAL
                         SRP process asVERYa HIGH (3)                 HIGH (4)
    great opportunity for the aviation          “We must have a safe operating                        You1can see the Agricultural
                                                                                                                            3 10Aviation
    industry to engage with all participants,   environment for our customers and                     Sector Risk Profile on the CAA web site,
    and the CAA.                                          ourselves,” said Graeme.                   www.caa.govt.nz.
                                                                                                    MEDIUM (11)             MEDIUM (14)
                             MAJOR                     HIGH (6)              HIGH (7)
                                                                                             2 4 5 6 7 8 9                     11 12

6                   vector   September/October 2013
                                                                                                     LOW (15)
VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
The 16 Risks Identified in the Agricultural Sector Risk Profile
 No.   Risk Statement                                                                                                 Risk Level
       Some operators choose to selectively comply with the multiple regulatory requirements (ie,
                                                                                                                          VERY
  1    environmental, HSE, commercial, and aviation requirements), creating opportunity for safety failures
                                                                                                                          HIGH
       where regulations have not been met but no other control measures are implemented in their place.

       Regulatory oversight may not adequately identify critical risks or issues that then result in safety               HIGH
  2    failures in the agricultural aviation sector.

       Due to an absence of industry-agreed, best practice operational standards, agricultural aviation
                                                                                                                          HIGH
  3    activities are not conducted with consistency across the sector, resulting in an overall degradation in
       safety performance across the sector.

       The maintenance and operational management of agricultural fixed-wing aircraft as an asset can be
                                                                                                                          HIGH
  4    insufficient for the type of role it undertakes over the span of its life, leading to an aircraft with
       reduced safety margins or airworthiness assurance.

       As a result of commonly-used ‘industry pricing models’ that are used to attract customers, operators
                                                                                                                          HIGH
  5    undercut competitors to the extent that within that region all operators become financially unstable,
       leading to operational behaviour that sacrifices safety for short-term profitability.

       The financial stability of all operators is reduced by the trend towards a prevalence of smaller,
                                                                                                                          HIGH
  6    inexperienced helicopter operators with minimal financial outlay entering the sector and charging
       reduced rates for market share.

       Degraded aircraft performance due to routine overloading of aircraft is prevalent amongst agricultural             HIGH
  7    aviation operators, leading to unsafe operating margins and a higher risk of an accident.

       There is an overarching safety culture within New Zealand agricultural aviation where productivity is
                                                                                                                          HIGH
  8    prioritised over safety (ie, the ‘can do’ approach), where safety equipment is not always utilised, and
       where safety occurrences may not be reported.

       Due to the absence of consistent and robust sector training standards, the skills and knowledge of
                                                                                                                          HIGH
  9    agricultural pilots and instructors vary significantly throughout the sector, leading to a degradation in
       overall ability to safely undertake agricultural operations.

       As a result of increasing community awareness and concern regarding environmental matters, the
                                                                                                                          HIGH
 10    viability of aerial application as a farming tool may be threatened if public perception is not actively
       managed, leading to the cessation of agricultural operations.

       Current agricultural aviation legislation allows for operational practices that reduce aircraft safety
 11    margins, including the ability to carry higher than normal loads without documenting the necessary               MEDIUM
       conditions under which this can be done.

       As a result of helicopter operator numbers increasing, there is a higher chance of the under-reporting
 12    of hours to avoid maintenance of high-value equipment to occur due to pressures to reduce                        MEDIUM
       business costs. It will also lead to crew with less agricultural aviation experience.

       Operators’ safety margins are reduced due to the condition of some owners’ airstrips and the
 13    supporting infrastructure (ie, fertiliser storage, windsocks, etc.)
                                                                                                                        MEDIUM

       Poor fertiliser storage facilities and methods (as well as fertiliser properties that can be conducive to
       degradation) and lack of consistently identifiable physical properties, aircraft can be loaded with a
 14    degraded or unknown condition of fertiliser, which can result in operational unpredictability when
                                                                                                                        MEDIUM
       releasing it.

       While industry accreditation programmes provide an opportunity for operators to improve, the
       perception of their value has degraded as they are often viewed as an arbitrary exercise to retain
 15    clients (that require the accreditation), resulting in a reduction in the benefits that could come from
                                                                                                                        MEDIUM
       present and future programmes.

       As a result of what can be a low maturity of safety management amongst some operators, there are
 16    few incentives for operators to systematically manage fatigue, distraction and enhance non-technical             MEDIUM
       skills, thereby increasing the potential of poor safety outcomes during daily operations.

                                                                                              vector   September/October 2013      7
VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
Photo courtesy of Aviation Cooperating Underwriters

    Runaway Aircraft
    A pilot left a helicopter running while he went to talk to his ground
    crewman. He then heard the engine rpm increase. Running back to the
    machine, he could only watch as it lifted into the air, spun around, and
    came to rest in a nearby pine tree.

    L
          eaving an aircraft unattended             However, you are required to comply        in the past 20 years, aircraft moved
          with the engine still running, and        with any operating limitations specified   under their own power on level ground.
          rotors or propeller turning,              in the Aircraft Flight Manual.             In either case, this can leave the pilot
    increases the risk of the aircraft taking                                                  with a lonely, desperate chase that
    off without you. It also increases the          Helicopters                                often results in a broken aircraft.
    risk of injury to yourself, your
                                                    Although there are a number of             If you are going to leave your aeroplane,
    passengers, or other people nearby.
                                                    factors that may have caused the loss      use wheel chocks. In remote areas you
    Then there is the cost. Not only the            of 13 runaway helicopters in the last      might need to improvise with material
    replacement cost, but also the                  20 years, in most cases, the machines      that is available.
    possibility of increased insurance              were unattended.
    premiums, or difficulty insuring at all.
                                                    When busy on operational flying,           Other instances of runaway aircraft
    Arden Jennings from Aviation Co-                pilots think they are saving time and      accidents include factors such as
    operating Underwriters is very familiar         money by leaving the machine               uneven terrain, snow landings, controls
    with this type of accident claim and the        running. Turbine pilots are influenced     being knocked by passengers, and
    resulting insurance issues.                     by engine costs and component life.        poor operational decision making.
    “Some countries in the world do not             Fitting and using an approved              We have discussed this type of event
    permit the pilot to leave the aircraft flight   collective lever lock or catch when        before in an article, “POB Ø”, in the
    controls unless the engine and rotors or        stepping out of the machine, should        March/April 2009 Vector.
    propellers are stopped,” he says.               prevent the lever rising and reduce        Examples of helicopter runaways are
    “A number of helicopter manufacturers           the risk of the aircraft lifting off       also found (too often) in the “Accident
    also include advice in the Aircraft Flight      unattended.                                Briefs” section of Vector.
    Manual and Pilot Operating Handbook,            Using only the friction knobs to lock      Talk to your maintenance provider
    against leaving the aircraft unattended         the flight controls is not advised as      about approved collective locks, check
    when the engine is running.                     they are not intended for this purpose.    your SOPs for leaving a running aircraft
    “But accidents still happen and most                                                       unattended, and revise the correct
    of the insurance cover for New Zealand          Aeroplanes                                 techniques for parking your aircraft.
    aircraft is based on operations being           If you leave the aircraft running,         Then ask yourself about the decision,
    conducted under the Civil Aviation              remember that a combination of idle        and possible cost, of turning your back
    Rules,” says Arden.                             thrust and sloping surfaces can            on an unattended, running aircraft.
    Currently, there is no restriction on           produce a force that may override the      Making the right call will save you
    leaving a running aircraft unattended in        brakes. But in some of the nine            time and money, and will let you enjoy
    the Civil Aviation Rules.                       runaway aeroplane accidents recorded       flying with your aircraft.

8             vector   September/October 2013
VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
Photo courtesy of Dan Perriam

                                                                                     Flight
                                                                                  Helmets
                                                                                  are Good
                                                                                 Insurance
                                                                      Prevention of head injury
                                           is the main purpose of a flight helmet. A helicopter
                                              pilot’s recent experience certainly bears that out.

Lucky Escape                                                     Helmet Care and Maintenance

A
        n unattended Robinson R22 became airborne of its         A new helmet should be sized and properly fitted by a
        own accord while the pilot was outside the cockpit,      trained technician. There are numerous considerations,
        but in the immediate vicinity. He heard an increase in   such as how high the helmet sits on the head, the
engine noise and turned around just in time to be clipped by     adjustment of the internal harness, additional padding
the tail rotor as the machine swung around.                      between the earphone assemblies and the outer ear
                                                                 cups, and the tightness of the nape strap.
Fortunately, the pilot was still wearing his helmet, and the
accompanying photo amply illustrates what a lucky escape he      Some models may also provide for variation of the
had. Without the helmet, this would have been an almost          chinstrap position. If this is incorrect, the helmet may be
certain fatality.                                                lost in the early stages of an impact sequence. In a fatal
                                                                 agricultural accident investigated by the CAA some years
                                                                 ago, the pilot’s helmet, undamaged and with the chinstrap
Protection Mechanisms                                            still fastened, was found about three metres to the front
The helmet shell is designed to resist penetration and           of the burnt-out wreckage.
prevent direct damage to the skull. In this case, the shell
                                                                 If a trained technician is not available, carefully follow the
was partially destroyed and absorbed most of the shock of
                                                                 instructions in the helmet handbook, and heed all listed
the blow.
                                                                 cautions and warnings.
Additionally, the helmet spreads the force of a blow over a      The handbook will normally specify maintenance intervals
wider area, and will reduce point forces to a tolerable level.   and instructions, as well as giving guidelines as to
A helmet shell is typically lined with a crushable foam          unacceptable limits of damage, particularly to the outer shell.
insert, as well as being suspended on the head by an             In the event that a helmet is damaged to the point of
internal harness that provides clearance between the             unserviceability, either complete the destruction, or quarantine
wearer’s head and the helmet structure.                          it, so that it will not be mistakenly worn by someone else.
In the event of an impact where the head strikes an              A flight helmet is a highly technical piece of safety equipment,
immovable object such as an instrument panel, the partial        and the price will reflect that. In the event of an accident where
destruction of the helmet shell and the crushing of the          a helmet performs as advertised, the replacement cost may
interior foam lining can reduce the acceleration forces          not be included in the aircraft insurance. Insuring your helmet
experienced by the brain to a survivable level. In an            separately might be a wise move – it could be included in your
accident resulting in a fire, the maintenance of                 household contents as a listed item, for instance.
consciousness is critical to survival.                           If it saves your life, then it has paid for itself many times over.

                                                                                              vector   September/October 2013                    9
VectorPOINTING TO SAFER AVIATION - Agricultural Aviation Safety Flight Helmets are Good Insurance Wellington Airspace Changes Planning an Aviation ...
New Aeronautical Charts
     The 2013 Visual Planning Charts and Visual Navigation
     Charts are effective 14 November 2013.

     T
           he most significant changes this time are the altered CTA boundaries in the Wellington area, as described on
           the next page. Other changes include the usual updates to special use airspace throughout the country, and
           these include danger areas, general aviation areas, volcanic hazard zones, and low flying zones.

     Charts can be ordered now, either online from www.aipshop.co.nz,
     or by contacting Airways’ Aeronautical Information Management                 www.aipshop.co.nz
     (AIM) team, tel: 0800 500 045.

     It’s More than Vector
     T
          hanks for letting us know your new address – we get a flurry of messages after every Vector mailing. But the
          wording of the emails clearly shows that many do not understand the legal obligations of holding a New Zealand
          aviation document.
     Section 8 (2) of the Civil Aviation Act 1990 requires every applicant for a New Zealand aviation document to supply an
     “address for service” in New Zealand including, where applicable, telephone and facsimile numbers.
     The Act also requires aviation document holders to notify the Director promptly of any changes to the address for
     service, telephone number or facsimile number.
     You can do this by emailing info@caa.govt.nz.
     An “address for service” is a physical address. You can have
     mail sent to a different address if you like, but maintaining a
     current physical address for service with the CAA is a legal
     requirement under the Act. This applies to both individuals and
     organisations, whether based in New Zealand or overseas. The
     requirement is specified on relevant application forms.
     If you live overseas, or plan to relocate overseas, you must
     nominate a physical address in New Zealand. This could be
     the address of a lawyer, a family member, or an aviation
     organisation. In doing so, you accept that delivery to that
     address is formal notification for the purposes of the Civil
     Aviation Act 1990.
     If you use a separate postal address, that can be a New Zealand
     address or an overseas address, but be aware that Vector
     magazine is sent only to New Zealand postal addresses.
     Applicants under the Trans Tasman Mutual Recognition Act
     also need to comply with the Civil Aviation Act 1990, and the
     relevant forms ( 24061/09 and 24061/10) reflect this.
     You also need to advise other organisations that you do business
     with, of your change of address. If you subscribe to AIP New
     Zealand, for example, you need to contact Airways. If you
     operate an aircraft with a 406 MHz distress beacon, you must
     notify RCCNZ of any changes to your contact details.

10            vector   September/October 2013
NOT FOR OPERATIONAL USE

Changes for
Wellington
Controlled Airspace
Major changes to Wellington controlled airspace may affect your flight
operations around Paraparaumu, Marlborough Sounds and Woodbourne.

W
          ith effect from 14 November 2013, the new charts            All the new airspace is Class C and transponder mandatory
          will show airspace boundary changes and, in some            (TM on the charts).
          cases, a lowering of the upper limit of the Wellington
                                                                      Paula Moore, CAA Aeronautical Services Officer, is
Control Area (WN CTA) from 5500 feet to 4500 feet.
                                                                      responsible for airspace classification and designation. As an
The changes are to allow for more efficient use of Wellington         experienced air traffic controller, she provides further
airspace, especially by airliner traffic operating into Wellington,   information on the use of the affected airspace.
Paraparaumu, and Woodbourne.
                                                                      “These airspace changes, including the step downs, will allow
The most significant changes are in the Paraparaumu area              better descent profiles for jet aircraft with a significant
where a new airspace boundary is formed to the east of NZPP.          reduction in fuel burn. There should also be a significant
On the eastern side of this new airspace, the lower limit is          reduction of workload for both pilots and air traffic controllers.
retained at 5500 feet, with the western side lower limit now
                                                                      “After the changes take place, remember that to transit Cook
set at 4500 feet.
                                                                      Strait above 4500 feet, you will need an ATC clearance.
This 4500 feet lower limit now extends across Cook Strait to
the north-eastern edge of the Marlborough Sounds.                     “When requesting a clearance, be confident. Advise your
                                                                      position and intentions clearly and concisely, and don’t forget
A further amendment to the boundary of this controlled                to read back the instructions. ATC will help you as much as
airspace sees it move to the east. There is also a step down to
                                                                      they can at the time, but it is busy airspace,” Paula says.
4500 feet with some straightening evident. This change was
included as part of a separate request from the local user
group. This also affects the boundary of the Marlborough              Charting Information
Sounds CFZ, with a move inland towards Mount Dobson.                  The charts affected by the changes are: VPC A1 and A2, and
Rununder Point and Port Underwood are now included in the             VNC B2, B3, C2, and C7. Relevant Enroute and Lower North
new step down area.                                                   Island and Upper South Island Area Charts will incorporate the
                                                                      changes too.
The third area sees a step down in the area seaward of Cape
Campbell. This provides for traffic from the south going to           Order your VNCs now, and familiarise yourself with the
Wellington or Woodbourne.                                             differences. How to order is on the previous page.

                                                                                                 vector   September/October 2013           11
Planning an
     Aviation Event
     If you’re planning any kind of an aviation event, from a simple fly-in to an
     air display, you’ll need to consider if it fits the Part 1 definition, and
     whether it requires the Director’s approval. One of the most important
     things is to start your planning early.

     T
          here are many events when               aviation event relate to this definition.   It’s Easy to Apply
          several aircraft gather, such as a
                                                  Events that fit the Part 1 definition       There’s an Advisory Circular, AC91-1
          club    barbecue,     competitions
                                                  require an authorisation from the           Aviation    Events    that    provides
     between clubs, dawn visits, and so on.
                                                  Director, but there are some exceptions.    information to help you. Even if your
     The public is often present, simply          See below.                                  event doesn’t require an authorisation,
     because the airfield is a public place and                                               it is recommended that you follow the
                                                  Rule 91.703 Aviation events details
     they like to watch, or sometimes for a                                                   guidance in the AC.
                                                  what information you must supply in
     specific reason, such as an open day.                                                    Jeanette Lusty, CAA Team Leader Flight
                                                  your application for authorisation. This
     And there are events where organized         must be submitted at least 90 days          Operations      Adventure    Aviation,
     flying displays take place.                  before the event.                           processes the event authorisation
                                                                                              applications.
     But what makes any of these an ‘aviation     Some Part 149 organisations hold a
     event’, and what does that mean              delegation from the Director to authorise   “We have these requirements around
     anyway?                                      their own events, or to authorise events    aviation events to ensure public safety
                                                  for other organisers. The New Zealand       and this is in the interest of the event
                                                                                              organisers as well.
     What is an Aviation Event?                   Warbirds Association holds such a
     There can be some confusion, because         delegation.                                 “Most events are repeated, so once
     there are different requirements for                                                     the procedures are developed, it
     various events. We’ll try to make it
                                                  Authorisation Not Required                  becomes easier.
     easier for you.                              You do not require an authorisation if      “The AC is really helpful for applicants as
                                                  your event doesn’t fit the Part 1           it contains a detailed Planning Guide and
     Authorisation Required                       definition. Also, rule 91.703 provides      Risk Assessment Guide.
     The Part 1 definition (see panel on right)   some conditions where an authorisation
                                                                                              “Make sure you send in as much
     of an Aviation Event is based on low         isn’t required (see panel on right)         relevant and detailed information as you
     flying, so mostly involves airshows and      If you have any doubt, just contact the     can, in line with the AC. We put this
     aerobatics. Rule references to an            CAA (see email address below).              information through a risk identification

12            vector   September/October 2013
process to get a picture of the risks and     for pre-planned events such as                John has a few tips for event organisers.
how they will be addressed.                   these. A NOTAM should be used                 “It is important to remember that
                                              only for situations of an urgent and          exception from rule 91.311 is applicable
“And if you are unsure about anything at
                                              temporary nature, such as an
all, just ask us,” says Jeanette.                                                           only to aircraft being operated at an
                                              unforeseen aerodrome closure or
Email: Jeanette.Lusty@caa.govt.nz.                                                          aviation event.
                                              significant hazard.
Apply using CAA Form 24091/03,                                                              “And even while participating in an
                                                                                            aviation event as defined by these rules,
available on the CAA web site,                Low Level Display                             it is important to remember that aircraft
www.caa.govt.nz, “Forms”.                     Authorisation                                 are not allowed to fly below 100 feet
                                              Event organisers also need to ensure          above the surface. The only exceptions
Airspace Considerations                       that all pilots who participate in any sort   are during takeoff or landing, or unless it
Your event may also need airspace             of aviation event are appropriately rated     is a display of agricultural operations, or
restrictions to be put in place. These        and qualified.                                a helicopter operation,” he says.
enable the organisers to control who is       All pilots who wish to fly low level or
able to fly into, out of, and within the      aerobatics at aviation events must hold a       Excerpt from Part 1
airspace during the time of the event.        low level display authorisation (LLDA)
                                                                                              Definitions and Abbreviations
Consult with local airspace users and         issued by a Part 149 organization
your aerodrome operator before making         authorised for this purpose, such as the        Aviation event means an event to be
this   application.   The   aerodrome         New Zealand Warbirds Association.               conducted below the minimum safe
operator’s consent is required for            Pilots should have had appropriate              heights prescribed under Part 91
airspace restriction.                         ground and flight training in the               that is—
A separate application needs to be made       manoeuvres they are to perform at the
                                                                                              (1) an air show or practice for an air
for airspace. Use CAA Form 24071/01           event, to be able to qualify for an LLDA.
                                                                                                  show; or
and     email:    airspace@caa.govt.nz.       John Lanham, display pilot and former
If you are unsure whether you need                                                            (2) an air race or practice for an air
                                              CAA General Manager General Aviation,
special airspace put in place, contact        has been involved in military and civil
                                                                                                  race; or
the CAA Aeronautical Services Unit at         aviation events for many years now.             (3) an aerobatic competition; or
the same email address.
                                              “The Director has delegated his authority       (4) aerobatic training or practice:
Special airspace applications should          to specific senior persons in the New
also be made at least 90 days in              Zealand Warbirds Association to grant
advance, giving time to publish the           LLDAs to pilots who are to participate in
                                                                                              Excerpt from rule 91.703
details in an AIP Supplement. Practice        an airshow.
days should also be included in the                                                           Aviation events
                                              “The event organiser has the power to
application.
                                              withdraw the participation invitation           (e) Paragraph (a) shall not apply to
Even if you are not applying for special      extended to any pilot if the pilot is non-      aviation events at which—
airspace use, it is recommended that you      compliant with required standards of
                                                                                              (1) not more than 500 people are in
arrange for your event details to appear in   safety.
                                                                                                  attendance; or
an AIP Supplement to alert other airspace
                                              “If there are concerns about a pilot’s
users. AIP cut-off dates are published in
                                              attitude to safety, the LLDAs may be
                                                                                              (2) there are no more than three
every issue of Vector (see page 23).                                                              participating aircraft; or
                                              suspended for any period or withdrawn
Email: airspace@caa.govt.nz.                  by the delegation holders in the event          (3) the aircraft are in one formation.
It is inappropriate to use a NOTAM            of non-compliant flying.”

                                                                                                vector   September/October 2013           13
Model Aircraft
     With Christmas fast approaching, sales of model aircraft are likely to increase.
     Although they are widely available and frequently advertised, you may not be
     aware of the associated rules that protect people, property, and piloted aircraft.

     I
        f your model aircraft weighs               Those models weighing over 25 kg            400 feet above ground level when you
        between 100 grams and 25 kg, you           require additional CAA authorisation to     are within 4 km of an uncontrolled
        need to be aware of the following          fly under Civil Aviation Rules, Part 19.    aerodrome       boundary    –  unless
     Civil Aviation Rules and Model Flying                                                     authorisation has been granted by the
     New Zealand (MFNZ) requirements.              Safety Guidelines                           Director of Civil Aviation.
                                                   Reports     of   airspace  incursions       To apply for an authorisation email:
     Key Civil Aviation Rules                      involving model aircraft demonstrate        info@caa.govt.nz.
     Civil Aviation Rules, Part 101, prescribes    the need for owners to understand the       When operating a model more than 4 km
     the operating rules for model aircraft.       following rules.                            from an aerodrome boundary, you can
     Part 101 requires you to operate your         Unless stated otherwise, these rules do     fly higher than 400 feet only if you remain
     model aircraft in a safe manner so that it    not apply to control line model aircraft.   clear of all controlled airspace and:
     doesn’t create a hazard to aircraft,                                                      »» operate in a designated danger area
     persons and property (rule 101.13).           Aerodromes                                     (model aircraft/UAS), or
     Always read the user’s manual and             You must not operate a model aircraft on    »» an authorised person from MFNZ
     follow the manufacturer’s instructions.       or within 4 km of any aerodrome unless         provides the required information
     In addition:                                  the operator has received a ‘Wings’            listed in rule 101.207 to the New
     »» You can’t drop objects in flight if this   badge from MFNZ, or is accompanied by          Zealand NOTAM Office.
        creates a hazard (rule 101.15)             someone else that holds one. You need
                                                   to get prior authorisation from the         Special Use Airspace
     »» You must maintain line of sight with
                                                   aerodrome operator, and at a controlled
        the model aircraft (rule 101.209)                                                      To operate in a mandatory broadcast
                                                   aerodrome, from the relevant ATC unit.
                                                                                               zone, a model aircraft operator must
     »» All other manned aircraft have the
                                                   For aerodrome contact details, see the      maintain a listening watch on the
        right of way (rule 101.213).
                                                   Aeronautical Information Publication        appropriate frequency and communicate
     To view Part 101, see the CAA web site,       (AIP)   web   site,  www.aip.net.nz,        any intentions to other traffic in the zone.
     www.caa.govt.nz, “Rules”.                     “Aerodrome Charts”.
                                                                                               In addition, model aircraft can’t operate
                                                   Once you have authorisation, you must       in low flying zones. The same goes for
     MFNZ Requirements                             not operate your model over any active      restricted areas and military operation
     Model Flying New Zealand is currently         runway strip area, or any area that         areas – unless prior authorisation has
     the only model aircraft association           aircraft use for surface movement           been granted by the administering
     approved by the Director of Civil             (control line model aircraft must also      authority.
     Aviation. MFNZ inspects models and            remain clear of these areas).
                                                                                               Airspace      characteristics     and
     issues flight permits to members,
                                                                                               designations can be viewed on the
     allowing them to operate in accordance        Controlled Airspace
                                                                                               Visual Navigation Charts. To purchase
     with their operations manual and              By lifting off from your back yard, you     these charts see the Airways web
     procedures.                                   could be unintentionally infringing         site, www.aipshop.co.nz.
     Some MFNZ Requirements:                       controlled airspace.
     »» Radio controlled models with a gross       To operate in controlled airspace, you      Meteorological Conditions
        mass between 15 and 25 kg require a        need to receive prior authorisation from    To fly your model aircraft, the ground
        MFNZ permit to fly (It’s illegal to fly    the responsible Air Traffic Services        visibility must be 3 km or greater and
        without one – reflected by rule            (ATS) unit.                                 the model must remain clear of cloud.
        101.205). They must also be                To view a list of controlled aerodromes     In addition, you can’t fly your model
        constructed under the authority of         and their contact details, see the AIP      aircraft if the cloud base will prevent
        MFNZ.                                      web site, www.aip.net.nz, “Gen 3.3 –        you from maintaining sight of the model
     »» Models weighing less than 15 kg that       Air Traffic Services”. Section 6 contains   at all times.
        have internal combustion motors 75         an ATS Unit Address List.
        cc input or larger, or electric motors                                                 Night Operations
        5,000 watts input or larger also           Height Restrictions                         Model aircraft can be operated at night
        require a permit to fly.                   You can’t fly your model any higher than    only if they are flown indoors, or if the

14             vector   September/October 2013
flight is conducted outdoors within          camera, you need to check that you are                knowledge, learn about safe operating
                                                        100 m of a structure, and below the top      in compliance with privacy laws. See                  practices,  and     get     a  better
                                                        of the structure.                            the Privacy Commission web site,                      understanding of rule requirements.
                                                                                                     www.privacy.org.nz.                                   See     the    MFNZ    web    site,
                                                        Privacy                                                                                            www.modelflyingnz.org,   for  club
                                                        Many model enthusiasts are now               Join a Club                                           contact     details  and     MFNZ
                                                        fitting cameras to their models, and         Seventy five model aircraft clubs                     requirements.
                                                        new types are frequently sold with           operate nationwide. Become a                          If you have a query regarding model
                                                        cameras fitted. If you are using a           member to take advantage of local                     aircraft, email: info@caa.govt.nz.
©istockphoto.com / andsem / robertmandel / temizyurek

                                                        Air Swimmers: These are not classed as model aircraft.                       Radio Controlled Aircraft: The majority of models fall into
                                                        Please follow the manufacturer’s instructions and keep                       this category. These are primarily controlled by radio signals
                                                        them indoors.                                                                from a remote transmitter, and direct visual line-of-sight with
                                                        Control Line Aircraft: These motorised aircraft are controlled               the model must be maintained at all times.
                                                        solely by using one or more inextensible wires or cables
                                                                                                                                     Free-flight Aircraft: A model aircraft which, once launched,
                                                        directly connected to the model. The wire system can’t be
                                                        longer than 30 m.                                                            can no longer be controlled by the operator.

                                                        Small toys of less than 100 grams: These are not classed as                  Model Gliders: Lift is generated solely by the external
                                                        model aircraft and Civil Aviation Rules do not apply.                        aerodynamic forces acting on the aircraft.

                                                          Remotely Piloted Aircraft                                                                   Model Aircraft
                                                                                                                                                      and Privacy
                                                          M
                                                                      any remotely piloted        We’ve covered model aircraft on
                                                                      aircraft, suitable for      the previous pages, but if you

                                                                                                                                                      M
                                                                      aerial    photography       want to fly outside the Part 101                              odel aircraft and remotely
                                                          and          surveillance,       use    rules, please contact the CAA                                 piloted aircraft have the
                                                          sophisticated technology that           with details about your planned                               potential to be intrusive when
                                                          wasn’t even dreamed of when                                                                 fitted with cameras.
                                                                                                  operation.
                                                          our rules were written. Aviation                                                            Organisations or individuals using such
                                                                                                  It may be that you need an
                                                          regulators        worldwide      are                                                        aircraft would have to have a very good
                                                                                                  authorisation          under    Part    19,         reason for collecting personal information
                                                          grappling with the risks and
                                                                                                  issued by the Director.                             in the form of photographs and video,
                                                          safety issues associated with
                                                                                                  For that to happen, the Director
                                                                                                                                                      and we would expect them to take care
                                                          these aircraft.
                                                                                                                                                      on how the images were used and who
                                                                                                  must be assured the proposed
                                                          The current ICAO name for such                                                              they were disclosed to.
                                                                                                  operator     has        examined        the
                                                          aircraft    is   Remotely     Piloted                                                       We would expect users to think through
                                                                                                  potential       risks        and      made
                                                          Aircraft Systems (RPAS).                                                                    the privacy implications of what they
                                                                                                  provisions for safe operation of
                                                                                                                                                      intend to use them for. In this regard,
                                                          Over time, many terms and               the aircraft.                                       many of our guidelines for CCTV use
                                                          acronyms have been used for
                                                                                                  Contact the CAA for guidance,                       would also apply in many situations in
                                                          these aircraft, such as Unmanned                                                            which aircraft are used.
                                                                                                  email: info@caa.govt.nz.
                                                          Aerial     Vehicles   and    Systems
                                                                                                                                                      To see those guidelines, go to
                                                          (UAV and UAS).                          In the future, more specific
                                                                                                                                                      www.privacy.org.nz and enter “privacy
                                                                                                  provision       will    be     made      for
                                                          The CAA has a responsibility to                                                             and cctv” in the search window.
                                                                                                  pilotless aircraft activities as we
                                                          ensure public safety and this
                                                                                                  update the relevant rules. Work
                                                          comes to the fore when operators                                                            - Office of the Privacy Commissioner
                                                                                                  is already under way on this.
                                                           want to fly in urban areas.

                                                                                                                                                                vector   September/October 2013        15
Kiran Parbhu, a flight instructor from Massey University’s School of Aviation, gave a presentation to the seminar on Massey’s research into using the iPad in the cockpit.
Photo courtesy of Massey University School of Aviation
                                                                                                                                                                                                        GEN
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                                                                                                                                                                   Effect
                                                                                                                                                                         ive:
                                                                                                                                                                              12 FEB
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                                                                                                                                                                                                           n Aut
                                                                                                                                                                                                                hority

                                                                                   Pilot Training
                                                                                   for the Future
         Seventy-five attendees at the recent CAA Flight Instructor Seminar in
         Wellington saw new training ideas and instructional techniques.
         Then they saw the future – iPad technology in a paperless training cockpit.

         K
                 iran Parbhu, a flight instructor                  daily lives, and some people are more                     learning. An interesting workshop
                 from Massey University’s School                   familiar with it than others. The                         followed using the same groups as
                 of     Aviation,  outlined   the                  discussion after this presentation was                    before. The subject was initial pre-flight
         considerable research they have been                      about current applications, and what can                  briefings. The groups were asked to
         conducting on the use of the iPad. Even                   be done now to secure the future of                       evaluate the lessons for key points in the
         though the electronic flight bag concept                  flight instruction and pilot training.                    learning process, and report these
         is well advanced in many airlines, Kiran                                                                            findings to the seminar.
                                                                   Carlton Campbell, CAA Standards
         explained how the technology works for
                                                                   Development and Training Officer,                         Mike Haines, CAA Manager Aeronautical
         flight training and GA operations.
                                                                   guided the seminar and introduced a                       Services, talked about radio use in
         “We trialled the iPad and mini iPad for                   review of the AvKiwi topic of Situational                 uncontrolled airspace and raised a
         flight training capabilities. Instructors                 Awareness. Attendees worked in groups                     number of safety issues. The use of
         and students provided feedback that we
                                                                   on many tasks and presented their                         FISCOM, CFZ proposals, and continued
         used to determine their suitability.
                                                                   findings to the seminar.                                  use of 119.1 MHz at uncontrolled
         “With the ability to store maps, charts,                                                                            aerodromes were raised as issues.
                                                                   Stan Smith, pilot, engineer, and flight
         and AIP New Zealand on a mini iPad, the                                                                             Feedback from the industry was positive
                                                                   instructor, showed a self-made film
         information management was improved                                                                                 and valuable.
                                                                   about pre-flight inspections. He also
         through easier access. Power usage,
                                                                   discussed     the   requirements       for                To close the day, Carlton recapped the
         lockout, and background light effects
                                                                   maintaining instructor skills and a                       proceedings and reinforced a number of
         were some of the points raised.
                                                                   professional approach to pilot training.                  the points raised.
         Interestingly, it was calculated that 36
         kilograms less paper is required when                     Gordon Alexander and Graham Leach                         »» The main message is that as an
         information is stored on a tablet!                        from Aviation Services Limited talked                        instructor you are not teaching a
         “The future will be paperless; the                        about flight testing and candidate                           student to fly, you are training a pilot.
         machines will be smarter, lighter,                        preparation. The message was to be                        »» Demand the highest standards of
         smaller, cheaper and fast; yet the trial                  well prepared for groundwork and the                         yourself and your students.
         showed that most pilots still prefer                      flight. They both stressed the basic need
                                                                   for a candidate to be professional,                       »» Enjoy!
         paper     maps.     Although    ancient
         technology, they are easier to handle                     achieve high standards, and maintain                      The CAA-sponsored seminars also ran in
         and navigate with,” said Kiran.                           high levels of airmanship.                                Christchurch and Auckland and are a
         There was a large spread of ages and                      Ross Crawford, a very experienced pilot                   welcome and valuable experience for all
         experience present at the seminar.                        and flight examiner, then explored the                    instructors, and for those wanting to
         Smart technology is now a part of our                     concepts of teaching and the principles of                become a pilot training specialist.

16                   vector     September/October 2013
Obstructive
     Sleep Apnoea
     You may not think that snoring is something you should be overly concerned
     about, but if you are a frequent loud snorer, you could be suffering from a
     potentially serious sleep disorder, Obstructive Sleep Apnoea (OSA).

     Asleep at the Yoke                        associated with sleep deprivation, and   What is OSA?

     I
                                               failed to recognise the warning signs
         n 1994, the lone pilot of a Piper                                              When you sleep, all your muscles relax,
                                               prior to the flight.
         Seneca fell asleep while enroute                                               including the muscles that hold the
         from Springfield, Kentucky, to        Sleep deprivation is usually thought     respiratory passages open. In some
     Crossville, Tennessee, in the United      about in terms of quantity of sleep.     people, the airway becomes narrow
     States. When he awoke five hours          This can be managed through a            enough that breathing causes the
     later, he was over the Gulf of Mexico,    comprehensive       Fatigue     Risk     respiratory passage to vibrate and make
     210 miles south of Panama City. Only      Management System. But OSA               noise – also known as snoring.
     20 minutes of fuel remained.              affects sleep quality rather than
                                                                                        Apnoea is a medical term that means
                                               sleep quantity.
     While enroute to the nearest airport,                                              ‘being without respiration’. An apnoea
     the engines quit due to fuel exhaustion                                            occurs when the airway becomes
     and the aircraft was ditched. The                                                     partially or completely shut while
     pilot was rescued by a Coast                                                              asleep. During an apnoea,
     Guard helicopter.                                                                              breathing briefly pauses or
     The pilot of the Piper Seneca                                                                      becomes very shallow.
     didn’t understand the risks                                                                         The     person    will
                                                                                                          continue to sleep

©istockphoto.com/ humonia
                                                                                            vector   September/October 2013       17
©istockphoto.com/ robroxton
                                                       During sleep, the airway can become blocked
                                                       by the tongue and soft palate.
     even though they are struggling to                                                                                       Nasal cavity
     breathe.                                                                                                 Upper lip
                                                                                         Tongue
                                                                        Chin
     Eventually, the need to breathe will
     overcome the ability to stay asleep. In
     most cases the person won’t fully wake
     up, but they will leave a state of deep
     sleep and enter a state of lighter sleep.
     This allows the muscle tone in the
     throat to return, unblocking the airway.
     These pauses can occur hundreds of
     times a night, and when they do, the
     medical condition is termed OSA. This
     is one of the most commonly diagnosed
     sleep disorders internationally and is
     estimated to affect two per cent of                                                                                                          Soft
                                                                                                                                                 palate
     women and four per cent of men.
     The repetitive brief arousals caused by
     OSA lead to the same effects caused
     by sleep deprivation.
     Those suffering from OSA will                                          Epiglottis                      Uvula
     experience daytime sleepiness, along                                                     Obstruction
     with      impaired    reflexes   and
     concentration. Most people with OSA             If you answered “yes” to one or more                   impairment level closely resembled a
     are overweight, and have higher                 of these questions, you are at a higher                blood alcohol content of 0.10 per cent –
     deposits of fatty tissue in their               risk of having OSA and should consult                  too drunk to drive (New Zealand’s limit is
     respiratory passages.                           a doctor.                                              0.08 per cent) and unfit to fly.
                                                     Other symptoms include:                                There     are    also    serious   health
     Self-diagnosing
                                                                                                            implications. If left untreated, OSA can
     Dougal Watson, CAA Principal Medical            »» Waking up with a dry mouth or sore
                                                        throat                                              lead to health problems, including:
     Officer, comments that it’s difficult to
     determine whether you have a run-of-            »» Insomnia or night-time awakenings                   »» High blood pressure
     the-mill snoring issue, or are suffering        »» Mood changes and irritability                       »» Stroke
     from OSA.
                                                     »» Anxiety and depression                              »» Heart disease
     “Not only is it difficult to tell if you have
                                                     »» Forgetfulness                                          (30 per cent increased risk)
     OSA, but people often underestimate the
     degree of their fatigue,” says Dougal.          »» Decreased sex drive                                 »» Weight gain and obesity
     Your answers to the quiz below will             »» Unexplained weight gain                             »» Diabetes
     help you determine if you are an OSA            »» Heartburn                                           »» Clinical depression.
     sufferer:
                                                     »» Night sweats.                                       Seeking early medical assistance can
                                                                                                            provide long term benefits, such as
     What’s Your Snore                               Although chronic snoring is the most
                                                     common symptom of OSA, not                             improved health, and a prolonged
     Score?*                                                                                                flying career.
                                                     everyone who has OSA is a chronic
     »» Are you a loud and/or regular snorer?        snorer, and not all chronic snorers have
     »» Have you been observed to gasp or            OSA. Generally, how you feel during                    It’s Easily Treatable
        stop breathing during sleep?                 the day should be a good indication of
                                                                                                            If you are diagnosed with OSA, you need
                                                     the quality of sleep you are getting. If
     »» Do you feel tired or groggy on                                                                      to notify the CAA about your change in
                                                     you constantly feel washed-out and
        awakening, or do you awaken with a                                                                  medical condition. Don’t stress – OSA
                                                     fatigued, it’s best to get a professional
        headache?                                    assessment done.                                       can be very successfully treated. After
     »» Are you often tired or fatigued during                                                              recovery, licence holders can generally
                                                                                                            return to active duty within a few weeks.
        wake-time hours?                             What’s the Risk?
     »» Do you fall asleep sitting, reading,         Sleep researchers have found that the                  To contact the Medical Unit, email:
        watching TV, or driving?                     effects caused by sleep deprivation                    med@caa.govt.nz.
                                                     closely resemble those associated with                 Remember to attach any supporting
     »» Do you often have problems with
                                                     alcohol intoxication.                                  reports or information that will assist the
        memory or concentration?
                                                     One study showed that after being                      CAA doctors when they assess your
     * Source: American Sleep Apnea Association      awake for 24 hours, the test subject’s                 condition.

18               vector     September/October 2013
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