TRIG AVIONICS LIMITED Transponders [Docket No. FAA-2018-1081; Product Identifier 2018-NE-39-AD; Amendment 39-19676; AD 2019-13-03] The FAA is adopting a new airworthiness directive (AD) for certain Trig Avionics Limited TT31, Avidyne Corporation AXP340, and BendixKing/Honeywell International KT74 Mode S transponders. This AD was prompted by the discovery that the retaining cam that engages in the mounting tray may not withstand G forces experienced during an emergency landing. This AD ...


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