Type certificate AR-12
Held today by Steward-Davis Incorporated, earlier by Northrop Aircraft, INC.. It covers 2 models. Last revised May 13, 1955 (revision 0). 2 approved modifications build on it.
Models under this certificate 2
RF-15, RF-61C
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 5, 2026. Connections as data: /graph/certificate/AR-12.json.