Type certificate E-123
Held today by Pratt & Whitney Division. It covers 7 models. Last revised July 15, 1966 (revision 14). 23 approved modifications build on it.
Models under this certificate 7
Wasp Jr. T1B3, Wasp Jr. B-4, Wasp Jr. SB-3, Wasp Jr. T1B2, Wasp Jr. SB, Wasp Jr. SB-2, Wasp Jr. B-5
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 23 · 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-123.json.