Trig avionics limited transponders airworthiness directives
1 AD in the reference matching Trig avionics limited transponders — from the Federal Register, checked every weekday. Applicability may depend on serial and effectivity: verify against the official AD before any maintenance action.
Reference last synced: 10/26/2026 17:00 UTC · 10,463 ADs indexed
AD 2019-13-03Effective 08/27/2019
Airworthiness Directives; Trig Avionics Limited Transponders
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 requires one-time inspection of the transponder installation…