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Type certificate E2WE

Held today by Honeywell Aerospace US LLC, earlier by Garrett\Airesearch\Alliedsignal, Garrett\Airesearch. It covers 27 models; about 29 aircraft on the U.S. register are built to the designs it names. Last revised March 27, 2026 (revision 9). 48 FAA orders name its designs, and 6 approved modifications build on it.

Models under this certificate 27

TPE331-25DB, TPE331-57-B, TPE331-43, TPE331-25FA, TPE331-61-A, TPE331-47, TPE331-55, TPE331-51, TPE331-25F, TPE331-47-B, TPE331-43-A, TPE331-43-B, TPE331-45, TPE331-25AA, TPE331-25B, TPE331-25AB, TPE331-55-B, TPE331-29A, TPE331-57, TPE331-55-A, TPE331-47-A, TPE331-25C, TPE331-25E, TPE331-25DA, TPE331-25D, TPE331-61, TPE331-25A

Engine series

Honeywell TPE331-51 1 aircraftHoneywell TPE331-series 28 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 48 · newest first

2018-12-102018-22-01 · Turbine Section · engine
2018-10-222018-17-15 · Turbine Engine Combustion Section · engine
2018-07-262018-13-05 · Turbine Engine Reduction Gear · engine
2018-02-282018-02-14 · Turbine Engine Combustion Section · engine
2016-11-282016-21-07 · Fuel control drive · engine
2016-11-042016-18-17 · Compressor impeller · engine
2015-11-132015-18-03 · Engine propeller shaft coupling failures · engine
2015-07-222015-12-04 · Fuel control unit (FCU) · engine

Approved modifications 6 · companies holding the most

Garrett Turbine Engine Company A Division of the Garrett Corporation 2Garrett Turbine Engine Company Division of Garret Corporation 2Peacock Joe N 1Garrett Turbine Engine Company Division of Garret Corporation 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/E2WE.json.