Type certificate E-264
Held today by Pratt & Whitney Division. It covers 4 models. Last revised June 6, 1962 (revision 9). 5 approved modifications build on it.
Models under this certificate 4
Double Wasp CB16, Double Wasp CB17, Double Wasp CB3, Double Wasp CB4
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 7, 2026. Connections as data: /graph/certificate/E-264.json.