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Type certificate E6WE

Held today by Honeywell Aerospace US LLC, earlier by Garrett, Alliedsignal, INC.. It covers 23 models; about 454 aircraft on the U.S. register are built to the designs it names. Last revised March 27, 2026 (revision 18). 39 FAA orders name its designs, and 2 approved modifications build on it.

Models under this certificate 23

TFE731-2A, TFE731-4, TFE731-2C, TFE731-3, TFE731-5R, TFE731-4R, TFE731-3A, TFE731-3D, TFE731-5B, TFE731-3R, TFE731-3B, TFE731-5A, TFE731-2, TFE731-3C, TFE731-3AR, TFE731-3DR, TFE731-5, TFE731-5AR, TFE731-3BR, TFE731-2BR, TFE731-5BR, TFE731-2B, TFE731-3CR

Engine series

Honeywell TFE-731-series 291 aircraftHoneywell TFE731-2 10 aircraftHoneywell TFE731-2B 3 aircraftHoneywell TFE731-2C 11 aircraftHoneywell TFE731-3 5 aircraftHoneywell TFE731-3AR 4 aircraftHoneywell TFE731-3B 1 aircraftHoneywell TFE731-3BR 1 aircraftHoneywell TFE731-3C 10 aircraftHoneywell TFE731-3CR 3 aircraftHoneywell TFE731-3D 10 aircraftHoneywell TFE731-3DR 3 aircraftHoneywell TFE731-3R 2 aircraftHoneywell TFE731-4 1 aircraftHoneywell TFE731-4R 5 aircraftHoneywell TFE731-5 1 aircraftHoneywell TFE731-5BR 87 aircraftHoneywell TFE731-5R 6 aircraft

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 39 · newest first

2019-04-252019-05-07 · Turbine Engine Compressor Section · engine
2016-05-052016-07-02 · Failure of the interstage turbine transition duct · engine
2012-10-022012-17-05 · First stage low-pressure turbine (LPT1) rotor assembly · engine
2012-10-012012-16-14 · LPT2 rotor blades · engine
2010-04-212010-06-11 · Second stage low-pressure compressor rotor (LPCR) discs · engine
2008-10-272008-19-12 · ITT duct · engine
2008-03-062008-02-19 · High pressure (HP) turbine rotor assemblies · engine
2005-07-272005-13-07 · Turbine rotor discs. · engine

Approved modifications 2 · companies holding the most

Northrop Grumman Comm Aircraft Div 1International Turbine Industries 1

Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 7, 2026. Connections as data: /graph/certificate/E6WE.json.