The U.S. aircraft register, updated daily
Type certificates · engine · current

Type certificate E11EA

Held today by Lycoming Engines, earlier by Textron Lycoming, Avco Corporation. It covers 1 model. Last revised June 23, 2010 (revision 3). 16 approved modifications build on it.

Models under this certificate 1

IVO-540-A1A

The data sheet on the FAA's site: the approved engines and propellers, weights, speeds and limits for each model.

FAA orders on these designs 0 · newest first

None in the current files.

Approved modifications 16 · companies holding the most

Continental Motors, INC. 3General Aviation Modifications INC. 2Surefly Partners LTD. 1Superior Air Parts, INC 1Shell Development CO 1Phillips Petroleum CO 1Perrigo & Steele Aircraft Engr Company 1Nickson'S Machine Shop INC 1

Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 5, 2026. Connections as data: /graph/certificate/E11EA.json.