Type certificate G-18
Held today by K & L Soaring LLC, earlier by Schweizer Aircraft Corporation. It covers 7 models; about 74 aircraft on the U.S. register are built to it. Last revised November 29, 2010 (revision 6). 3 FAA orders name its designs, and 8 approved modifications build on it.
Models under this certificate 7
SGU 2-22EK, SGU 2-22A, SGU 2-22CK, SGU 2-22, SGU 2-22C, SGU 2-22E, SGU 2-22B
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 3 · 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
Approved modifications 8 · 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/G-18.json.