Type certificate LTC-14
Held today by Northrop Aircraft INC.. It covers 3 models. Last revised April 13, 1947 (revision 2). 2 approved modifications build on it.
Models under this certificate 3
Army P-61B, Army P-61A, Army P-61
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 20, 2026. Connections as data: /graph/certificate/LTC-14.json.