Type certificate E18NE
Held today by Honeywell Aerospace US LLC, earlier by Garrett\Alliedsignal, INC.. It covers 6 models; about 41 aircraft on the U.S. register are built to the designs it names. Last revised March 27, 2026 (revision 10). 48 FAA orders name its designs.
Models under this certificate 6
TPE331-14F, TPE331-14HR, TPE331-14GR, TPE331-15AW, TPE331-14B, TPE331-14A
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 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
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 7, 2026. Connections as data: /graph/certificate/E18NE.json.