ATA 74 — Ignition

9,682 parts classified under this chapter

Reliability rollup

100%Median scrap propensity

1,005 parts · 3,179 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
4344	Magneto	Champion Aerospace Llc	—	74	Engine Accessories	PMA
4345	MAGNETO	CHAMP	—	74	Engine Accessories	OEM
43467	EXCITER	—	—	74	Engine Accessories	PMA
43467 Dwg. Rev. Y Bill of Material PL 43467 Rev. L	Exciter	Unison Industries LLC	—	74	Engine Accessories	PMA
4347	MAGNETO TAB	CHAMPION	PA-28 Cherokee DA40+2	74	Engine Accessories	OEM
4348	Magneto	Champion Aerospace Llc	—	74	Engine Accessories	PMA
43503	Exciter, Ignition	Unison Industries	Bell 505	74	Electromechanical	PMA
4353	MAGNETO	—	—	74	Engine Accessories	PMA
4354	Magneto	Champion Aerospace Llc	—	74	Engine Accessories	PMA
43621	Cable (Lead, Ignition)	Unison Industries	DC-10 A300+3	74	Electromechanical	PMA
43621A	LEAD	—	—	74	Electromechanical
43661	Exciter, Ignition	Unison Industries	—	74	Electromechanical	PMA
43661 Dwg. Rev. N Bill of Material PDL 43661 Rev. N	Exciter	Unison Industries LLC	—	74	Engine Accessories	PMA
43663	Exciter, Ignition	Unison Industries	Bell 505	74	Electromechanical	PMA
43663-1	Exciter, Ignition	Unison Industries	—	74	Electromechanical	PMA
4370	CASE HALF	SLICK	C172 Skyhawk PA-28 Cherokee+3	74	Engine Accessories	OEM
4370MODF	MAGNETO	—	C172 Skyhawk	74	unknown	OEM
4371	IMPULSE COUPLING	SLICK	C172 Skyhawk PA-28 Cherokee+4	74	Engine Accessories	OEM
437198120973	IMPULSE COUPLING	—	PA-28 Cherokee	74	unknown
4371T	MAGNETO	—	C172 Skyhawk	74	unknown	OEM
4372	IMPULSE COUPLING	CHAMPION	PA-28 Cherokee	74	Engine Accessories	OEM
4373	IMPULSE COUPLING	CHAMPION	PA-28 Cherokee PA-18 Super Cub+1	74	Engine Accessories	OEM
4374	Magneto	Champion Aerospace Llc	—	74	Engine Accessories	PMA
43754	Exciter	Unison Industries LLC	—	74	Engine Accessories	PMA
4381	IMPULSE COUPLING	SLICK	C172 Skyhawk C152	74	Engine Accessories	OEM
4382	Magneto	Champion Aerospace Llc	—	74	Engine Accessories	PMA
4387	Magneto	Champion Aerospace Llc	—	74	Engine Accessories	PMA
43925	Exciter, Ignition	Unison Industries	DC-10 A300+3	74	Electromechanical	PMA
44056	Exciter, Ignition	Unison Industries	—	74	Electromechanical	PMA
44056 Dwg. Rev. C11 Bill of Material PL 44056 Rev. A	Exciter	Unison Industries LLC	—	74	Electromechanical	PMA
44302	Exciter, Ignition	Unison Industries	—	74	Electromechanical	PMA
44302 Dwg. Rev. H Bill of Material PDL 44302 Rev. H	Exciter	Unison Industries LLC	—	74	Electromechanical	PMA
44303	Exciter, Ignition	Unison Industries	—	74	Electromechanical	PMA
44303 Dwg. Rev. H Bill of Material PDL 44303 Rev. H	Exciter	Unison Industries LLC	—	74	Electromechanical	PMA
44339	Cable (Lead, Ignition)	Unison Industries	DC-10 A300+3	74	Electromechanical	PMA
44376 Dwg. Rev. M Bill of Material PL 44376 Rev. A	Stator	Unison Industries LLC	—	74	Electromechanical	PMA
44376-1	Stator, Generator ac Installation	Unison Industries LLC	—	74	Engine Accessories	PMA
44387	Exciter, Ignition	Unison Industries	—	74	Electromechanical	PMA
44388	Exciter, Ignition	Unison Industries	—	74	Electromechanical	PMA
44508	Cable (Lead, Ignition)	Unison Industries	—	74	Electromechanical	PMA
44509	IGNITION LEAD	—	DC-9 MD-82	74	unknown	OEM
44525	Exciter, Ignition	Unison Industries	—	74	Electromechanical	PMA
44525 Dwg. Rev. H Bill of Material PDL 44525 Rev. H	Exciter	Unison Industries LLC	—	74	Engine Accessories	PMA
44653	Rotor	Unison Industries LLC	—	74	Powerplant / Nacelle	PMA
44744	Rotor	Unison Industries LLC	—	74	Engine Accessories	PMA
44744 Dwg. Rev. H Bill of Material PL 44744 Rev. 3/24/86	Rotor	Unison Industries LLC	—	74	Engine Accessories	PMA
44760	EXCITER	—	757-200 747+3	74	unknown	OEM
44785-1	Lead, ignition	Unison Industries	—	74	Engine Accessories	PMA
44785-1 Dwg. Rev. G Bill of Material PL 44785-1 Rev. 2-20-86	Ignition Lead	Unison Industries LLC	—	74	Electromechanical	PMA
44785-2	Lead, ignition	Unison Industries	—	74	Electromechanical	PMA