Type certificate E-231
Held today by Pratt & Whitney Division. It covers 7 models. Last revised October 31, 1978 (revision 11). 4 approved modifications build on it.
Models under this certificate 7
Double Wasp CA5, Double Wasp CA15, Double Wasp CA17, Double Wasp R2800-97, Double Wasp CA19, Double Wasp CA18, Double Wasp CA3
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/E-231.json.