Airworthiness Directives
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The New Zealand CAA regularly issue and revise Airworthiness Directives (ADs) to ensure all aircraft are maintained in an airworthy state. The Avionics ADs can be viewed on the CAA web site, under the 'Components' list here: http://www.caa.govt.nz/Airworthiness_Directives/Airworthiness_Directives_Components.htm
The information contained within this site is intended as a guide only and may assist you in finding parts or services. The following is not a complete list of ADs, it is only a small sample of some that are more commonly applicable to GA aircraft and Helicopters. Please refer to the CAA's AD list (in the link above) for the current complete list of ADs.
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Alert Service Buletin AS350 - 80.09.009
This service buletin improves the operational logic of the twist grip's starting controls. Co.. more »
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Alert Service Bulletin EC130 - 80A005
This service bulletin improves the operational logic of the twist grip's starting controls. C.. more »
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Airworthiness Directive DCA/RAD/35B Transponder Inspection
This AD is applicable to almost all transponder equipped aircraft. Also note that it is a r.. more »
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Airworthiness Directive DCA/RAD/43 XPDR Mode S Address
This AD is applicable to all aircraft equipped with a Mode S Transponder. This also applies.. more »
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Airworthiness Directive DCA/RAD/58 ELT Antenna
This AD is applicable to all Antenna P/N: 21-41 () Series through to S/N: 12999. These are .. more »
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Robinson Helicopters SL60, SL44, SL05
This Service Letter effects all R22, R44 and R66 Helicopters with Kannad Integra ELTs... more »