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

Type certificate P-891

Held today by Hartzell Propeller INC.. It covers 4 models. Last revised December 22, 2014 (revision 16). 4 approved modifications build on it.

Models under this certificate 4

HC-93Z30-2, HC-93ZF-2, HC-93Z20-2, HC-93Z20-1

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 4 · 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/P-891.json.