Type certificate 1E1
Held today by Lycoming Engines, earlier by Textron Lycoming, Avco Corporation. It covers 4 models; about 2 aircraft on the U.S. register are built to it. Last revised June 23, 2010 (revision 5). 23 FAA orders name its designs, and 18 approved modifications build on it.
Models under this certificate 4
IVO-360-A1A, VO-360-A1A, VO-360-B1A, VO-360-A1B
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 23 · newest first
2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2015-11-032015-19-07 · Fuel injector fuel lines · engine
2012-02-242012-03-06 · Fuel servo diaphragm · engine
2012-01-252011-26-04 · Externally mounted fuel injector fuel lines · engine
2009-02-092009-02-03 · Fuel injection servos · engine
2008-08-142008-14-07 · Externally mounted fuel injector fuel lines · engine
2008-04-292008-08-14 · Fuel injection servo plugs · engine
Approved modifications 18 · 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/1E1.json.