Type certificate 1E12

Held today by Lycoming Engines, earlier by Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation, Textron Lycoming, Avco Corporation. It covers 32 models; about 1,947 aircraft on the U.S. register are built to the designs it names. Last revised April 4, 2018 (revision 10). 40 FAA orders name its designs, and 45 approved modifications build on it.