Type certificate E-295
Held today by Lycoming Engines, earlier by Textron Lycoming. It covers 47 models; about 5,786 aircraft on the U.S. register are built to the designs it names. Last revised April 30, 2013 (revision 19). 37 FAA orders name its designs, and 59 approved modifications build on it.
Models under this certificate 47
O-540-L3C5D, O-540-J2B5D, O-540-J1B5D, O-540-B2C5, O-540-B1D5, O-540-G2A5, O-540-H2A5, O-540-H1B5D, O-540-J3A5, O-540-J1D5D, O-540-B2B5, O-540-J1C5D, O-540-H1A5D, O-540-H2A5D, O-540-A1D, O-540-A4B5, O-540-J2D5D, O-540-F1B5, O-540-A3D5, O-540-A4C5, O-540-F1A5, O-540-A1D5, O-540-A1A5, O-540-A1A, O-540-H2B5D, O-540-E4C5, O-540-H1A5, O-540-D1A5, O-540-G1A5, O-540-B2A5, O-540-B4B5, O-540-A4E5, O-540-B4A5, O-540-J3A5D, O-540-E4A5, O-540-B1A5, O-540-J2A5D, O-540-B1B5, O-540-E4B5, O-540-A1C5, O-540-A4D5, O-540-J1A5D, O-540-A1B5, O-540-A2B, O-540-J2C5D, O-540-J3C5D, O-540-A4A5
Engine series
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 37 · newest first
Approved modifications 59 · companies holding the most
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 5, 2026. Connections as data: /graph/certificate/E-295.json.