Type certificate A4SW
Held today by Thrush Aircraft LLC, earlier by Snow Aeronautical Company, North American Rockwell Corporation, Rockwell International, Ayres Corporation, Quality Aerospace, Inc.\Thrush Aircraft, INC., Thrush Aircraft, INC., Snow Aeronautical Company\North American Rockwell Corporation\Rockwell International\Ayres Corporation\Quality Aerospace\Inc., Snow Aeronautical Company\North American Rockwell Corporation\Rockwell International\Ayres Corporation\Quality Aerospace\Inc.\Thrush Aircraft\Inc.. It covers 19 models; about 401 aircraft on the U.S. register are built to the designs it names. Last revised August 6, 2024 (revision 44). 18 FAA orders name its designs, and 190 approved modifications build on it.
Models under this certificate 19
S2R-R3S, S2R-T15, S2R-T11, 600 S-2D, S2R-G10, S2R-G1, S2R-T65, S2RHG-T65, S2R-T34, S2R-T660, S2R-R1340, S2R-G6, S2R-H80, S2R, S2RHG-T34, S2R-G5, S2R-R1820, S2R-T45, S2R-510
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 18 · newest first
Approved modifications 190 · 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/A4SW.json.