Type certificate TC 551
Held today by Lockheed Aircraft Corporation. It covers 1 model. 7 approved modifications build on it.
Models under this certificate 1
Electra 10-A (Army UC-36A; Navy R-20; and XR-20-1)
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 7 · 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/TC 551.json.