NOISE ABATEMENT ASSESSMENT FOR HELICOPTER PERSONNEL
You will need a copy of the Fly Neighbourly Guide and the AIRCARE™ Noise Abatement Code at hand.
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1) The AIRCARE™ Noise Abatement Code of Practice (code) has been developed to formalise the Fly Neighbourly Guide. Whilst the Fly Neighbourly Program was developed for helicopters, the AIRCARE™ Program has adapted it for fixed wing aircraft too.
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2) The Fly Neighbourly Program addresses noise abatement and public acceptance objectives with guidelines in the following areas:• Pilot and operator awareness• Pilot training and education• Flight operations planning• Public acceptance and safety• Sensitivity to the concerns of the community
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3) The Fly Neighbourly Guide says to a avoid noise-sensitive areas altogether when possible
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4) The Fly Neighbourly Guide requires you to vary the route when possible since repetition contributes to annoyance
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5) The Fly Neighbourly Guide advises to follow high ambient noise routes such as highways when possible
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6) What is the minimum recommended flyover height in noise-sensitive areas for all aircraft?
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7) How does the AIRCARE™ Noise Abatement Code define a noise-sensitive area?
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8) How is a populous area defined in the Noise Abatement code?
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9) How is media support best engendered?
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10) In order of their general importance and effectiveness, public relations activities can beundertaken in conjunction with:
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11) You are setting up a new base. How can noise complaints be minimised?
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12) When a complaint is received, how should it be addressed?
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13) Under the Noise Abatement Code operators are required to formulate guidelines that will be used to assist flight crews and flight operations staff to formulate responsible mission profiles. They are also required to consult with local authorities on operational areas and transit routes. A number of other considerations take precedence over these noise abatement requirements. Which?
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14) When low-level operations are to be carried out near populous areas what considerations shall be applied?
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15) An operator is required to have a procedure to ensure that relevant staff:Pass an assessment on noise abatement every three years, andAre assessed on their knowledge of those noise abatement procedures in the aircraft flight manual (where the flight manual details noise abatement procedures) at each annual competency check, andHave noise abatement procedures considered at each annual competency check
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16) Other Operator Responsibilities are: Educate customers about noise abatement procedures, in order to prevent or minimize conflicts between their expectations and company policy, andEnsure that in areas where a User Group has been established under CAA and Airways protocols, the operator maintains membership of that User Group and takes an active part in its activities, andEnsure that the procedures detailed in the Fly Neighbourly Guide result in continual improvement in respect to the operator’s noise footprint
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17) Other Operator ResponsibilitiesEnsure that any new aircraft purchased has a smaller noise footprint than existing types
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18) The Noise Abatement Code makes some recommendations to operators about best practice. Some are: Establish a practice of promoting both the safety record and the benefits of aircraft use to the public at large to improve public acceptance of aircraft, andWhere possible, when operations below 500ft AGL are anticipated, arrange notification to all affected parties near the proposed flight path
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19) The Noise Abatement Code also requires ALL low-level operations to be notified to affected parties
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20) The code details the following responsibilities for Land Owners and Administrators in noise-sensitive areas (e.g. DOC)All visitors to the DOC Estate should be advised that they might hear aircraft noise during their visit, and in National Parks, trampers should be advised that they might hear aircraft noise and that it will be particularly prevalent on the days that tracks are being maintained or huts resupplied or other aerial work is planned
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21) Helicopter sound generation comes primarily from:
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22) In a typical small/light helicopter the most annoying sound produced by the helicopter is due to:
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23) For a typical small/light helicopter, the most annoying noise mechanism impulsive noise(BVI) occurs during
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24) The most effective means of noise abatement is by increasing the distance/separation from a noise-sensitive area
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25) Takeoffs are relatively quiet operations, but you can limit the total ground area exposed by using a high rate of climb and making a smooth transition to forward flight.
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26) What is the recommended flyover speed in noise-sensitive areas?
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27) The following are all desirable behaviour: • Fly at least as high as the heights recommended in the Fly Neighbourly Guide • Fly at the highest practical altitude when approaching metropolitan areas • Select a route into the landing area over the least populated area • Follow major thoroughfares or railway lines • Avoid flying low over residential and other densely populated areas • Select the final approach route with regard to the type of neighbourhood surrounding the landing area
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28) The Fly Neighbourly Guide calls for steeper than normal approaches and different ways to start the descent depending on helicopter size. The benefits of this are: • The BVI noise generated by the main rotor can be avoided • Steep approaches ensure a greater height over noise-sensitive areas • Once the transition from cruise to approach glideslope has been made, the airspeed and rate of descent can be tailored to fit local conditions, avoid unsafe regimes, and still guarantee minimum noise
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29) The noise of a passing helicopter as heard by a person on the ground will be less if it passes with which side closest to that person:
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30) Wind:
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