The U.S. aircraft register, updated daily
Type certificates · propeller · current

Type certificate P37EA

Held today by Hartzell Propeller LLC. It covers 3 models. Last revised December 12, 2025 (revision 13). 7 approved modifications build on it.

Models under this certificate 3

HC-J2YF-1, BHC-J2YF-2, BHC-J2YF-1

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 0 · newest first

None in the current files.

Approved modifications 7 · companies holding the most

Smr Technologies 2Aircraft Development CO 2Thermodyne, INC 1Rapco, INC 1Mcfarlane Aviation, INC. 1

Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 5, 2026. Connections as data: /graph/certificate/P37EA.json.