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

Type certificate E-143

Held today by Pratt & Whitney Division. It covers 1 model. Last revised August 7, 1973 (revision 4). 11 approved modifications build on it.

Models under this certificate 1

Wasp S3H1

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 11 · 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/E-143.json.