Type certificate GTC 5
Held today by K & L Soaring LLC, earlier by Bohica Incorporated, AG Cat Corporation\Schweizer Aircraft Corporation. It covers 2 models; about 275 aircraft on the U.S. register are built to it. Last revised November 29, 2010 (revision 2). 4 FAA orders name its designs, and 7 approved modifications build on it.
Models under this certificate 2
SGS 2-8A, SGS 2-8
On this site
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 4 · newest first
1988-08-1987-17-01 · Tow Release Installation · other and general
1988-05-2576-13-11 R1 · Aft Fuselage Longerons · airframe structure
1987-01-2187-02-01 · Tow-Release Installation Inspection · other and general
1978-06-2177-23-10 · Spar Web and Bolts · airframe structure
Approved modifications 7 · 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/GTC 5.json.