Type certificate TC 1
Held today by Lockheed Martin Maritime Systems & Sensors - Akron, earlier by Goodyear Aerospace Corp.\Loral Systems Group\Loral Defense Systems\Lockheed Martin Tactical Defense Systems\Lockheed Martin Naval Electronics & Surveillance Systems - Akron. It covers 5 models. Last revised March 22, 2004 (revision 4). 2 approved modifications build on it.
Models under this certificate 5
GZ-19A, GZ-20, GZ-20A, GZ-19, TZ-123000
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/TC 1.json.