Type certificate H4SO
Held today by Orlando Helicopter Airways INC.. It covers 4 models. Last revised July 29, 2003 (revision 8). 5 approved modifications build on it.
Models under this certificate 4
H-34A, HH-34J, SH-34J, UH-34D
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 5 · 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/H4SO.json.