Type certificate P-824
Held today by Hartzell Propeller INC.. It covers 4 models. Last revised September 7, 1960 (revision 6). 3 approved modifications build on it.
Models under this certificate 4
HA-12UO-2, HA-12UF-3, HA-12UO-1, HA-12UF-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 3 · 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-824.json.