Every AD in the library whose text names the Airplane Factory 4, of which 5 are registered in the US.
444 not superseded, 105 of them with a repeat action. 565 listed in all, newest published September 3, 2026.
Listed by the model designations in each AD's text. An AD written for a part number, or for "all" engines of a maker, may name no model and so not appear here: search the library for the part or the maker as well.
