Type certificate E-290
Held today by Pratt & Whitney Division. It covers 4 models. Last revised September 6, 1967 (revision 15). 2 approved modifications build on it.
Models under this certificate 4
JT3C-7, JT3C-12, JT3C-6, JT3C-4
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 2 · 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-290.json.