AMC1 29.1145(a) Ignition switches

• ED Decision 2023/001/R found in: CS-29 Amdt 11 - Large Rotercraft (Feb 2023)

AMC1 29.1145(a) Ignition switches ED Decision 2023/001/R (a) Compliance with [CS 29.1145](#_DxCrossRefBm1178332072)(a) is considered to be demonstrated by providing for each engine one of the following design solutions: (1) Independent ignition controls should be provided for each ignition circuit, or (2) A single ignition control acting on two ignition switches should be provided to control each ignition circuit via a dual-channel FADEC. (i) Each switch should be connected to one channel of the FADEC. (ii) The FADEC should ensure the following functions: (A) Ability to control automatically and independently each ignition circuit of the engine (B) Ability to perform a health monitoring of each ignition circuit for the aircraft to meet the safety objectives of CS-29 (b) The check of the health condition of each ignition circuit could be achieved in automatic or initiated test or by procedure without any difference. [Amdt No: 29/11] ##### AMC1 29.1145(a) Ignition switches *ED Decision 2023/001/R* (a) Compliance with [CS 29.1145](#_DxCrossRefBm1685772537)(a) is considered to be demonstrated by providing for each engine one of the following design solutions: (1) Independent ignition controls should be provided for each ignition circuit, or (2) A single ignition control acting on two ignition switches should be provided to control each ignition circuit via a dual-channel FADEC. (i) Each switch should be connected to one channel of the FADEC. (ii) The FADEC should ensure the following functions: (A) Ability to control automatically and independently each ignition circuit of the engine (B) Ability to perform a health monitoring of each ignition circuit for the aircraft to meet the safety objectives of CS-29 (b) The check of the health condition of each ignition circuit could be achieved in automatic or initiated test or by procedure without any difference. [Amdt No: 29/11]