Type certificate E10EA
Held today by Lycoming Engines, earlier by Textron Lycoming, Avco Corporation. It covers 5 models; about 283 aircraft on the U.S. register are built to the designs it names. Last revised November 4, 2010 (revision 8). 18 FAA orders name its designs, and 26 approved modifications build on it.
Models under this certificate 5
TIO-541-E1A4, TIO-541-E1B4, TIO-541-E1C4, TIO-541-A1A, TIO-541-E1D4
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 18 · newest first
2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2012-02-242012-03-06 · Fuel servo diaphragm · engine
2011-07-132011-13-03 · Turbocharger Turbine · engine
2010-04-192010-07-08 · Turbochargers · engine
2009-02-092009-02-03 · Fuel injection servos · engine
2002-07-032002-12-07 · Oil Filter Converter Plate Gasket or the Converter Plate Kit · engine
Approved modifications 26 · 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/E10EA.json.