Type certificate P-845
Held today by Hartzell Propeller INC.. It covers 9 models. Last revised January 1, 1977 (revision 18). 4 approved modifications build on it.
Models under this certificate 9
HC-12X20-7, HC-12X20-5, HC-12X20-6, HC-12X20-4, HC-12X20-9, HC-12X20-3, HC-12X20-2, HC-12X20-1, HC-12X20-8
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-845.json.