SA02738CH (PAGE 3)Avionics
Installation of L-3 Communications Avionics Systems.
FAA holder: Acron Aviation Inc.
Aircraft STC directory
Thrush Aircraft S-2R STCs
The Jun 30, 2026 FAA DRS snapshot contains 23 selected supplemental type certificates with status Current whose public applicability data names the Thrush Aircraft S-2R. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
23
listed Current at snapshot
12
holder directories
7
modification categories
Apr 1, 2025
latest recorded revision
Modification demand surface
Other aircraft modifications10
Engine and powerplant4
Aircraft structures3
Fuel systems2
Propellers2
Avionics1
Landing gear and brakes1
Recorded holders
Turbine Conversions Ltd5Larson AG3Pacific Propeller International LLC3Cascade Aircraft conversions LLC2Acron Aviation Inc.1Onboard Systems International1Air Comm Corporation1Cascade Flying Service LLC1Aero Spraying Service Inc.1Aviation Specialties Unlimited Inc.1Micro AeroDynamics Inc1Oilamatic Inc1
Recently revised S-2R STCs
Showing the 23 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA5783NMOther aircraft modifications
Fabrication of Onboard Systems Model 7 CROPHAWK spray flow measuring system.
FAA holder: Onboard Systems International
ST03197CHLanding gear and brakes
To install full swiveling locking tail wheel assembly onto the existing spring steel tail gear.
FAA holder: Turbine Conversions Ltd
SA24RMOther aircraft modifications
Installation of electrically driven air-conditioning system.
FAA holder: Air Comm Corporation
SA01323CHOther aircraft modifications
Installation of a ground single point fueling system.
FAA holder: Turbine Conversions Ltd
SA01420SEEngine and powerplant
Install a Walter M601-E11 or M601-D11 engine and Avia V508-E-AG 106/A propeller per Cascade Aircraft Conversions Master Drawing List FW-CAC090-90 Revision B, dated August 10, 2004, and Cascade Aircraft Conversions Document FW-CAC090-12, Revision IR, dated June 2, 2004, Installation Manual for Thrush Aircraft S2R Series, Walter Turbine Installation or later FAA approved revisions to either of these documents.
FAA holder: Cascade Flying Service LLC
SA02205SEFuel systems
Installation of a replacement airframe fuel pump in accordance with Cascade Flying Service Master Drawing List FW-CFS545-90, Rev. B, dated October 19, 2011, or later FAA approved revision.
FAA holder: Cascade Aircraft conversions LLC
SA00580SEOther aircraft modifications
Installation of winglets.
FAA holder: Aero Spraying Service Inc.
SA02306SEOther aircraft modifications
Installation of a supplemental lighting system.
FAA holder: Aviation Specialties Unlimited Inc.
SA00178SEAircraft structures
Installation of vortex generators on the wing and tail surfaces of the above model aircraft.
FAA holder: Micro AeroDynamics Inc
SA02951CHAircraft structures
Installation of modified Wing Spar Splice and Cap per Aeronautix Modification Kit.
FAA holder: Gulf Coast Ag Aircraft Sales and Maintenance
SA02985CHOther aircraft modifications
Installation of a Cool Start System in accordance with Installation Instructions , Revision A, dated April 14, 2011, or later FAA Approved revision.
FAA holder: Turbine Conversions Ltd
SA4959SWEngine and powerplant
Revised engine inlet air filtration and intake geometry with PT6A-34 engine installed per STC SA3238WE in accordance with Frakes Aviation Drawing FA 7502, Sheets 1 through 10, dated 3/8/83.
FAA holder: Turbine Conversions Ltd
SA03654ATAircraft structures
Installation of Avenger Extended Performance Front Spar Enhancement Kit (new wing front spar lower capts, center splice and doublers).
FAA holder: Avenger Aircraft and Services
SA01980CHEngine and powerplant
Replacement of an existing Pratt and Whitney Model WASP S3H1 engine and Hamilton Standard Model 12D40 propeller with a Pratt and Whitney Model WASP S3H1-G engine and Hamilton Standard propeller with model 3D40 hub and blade model 6631A-S or model 23D40 hub with blade model 6601A-S, 7005A-S, or 7035A-S.
FAA holder: Larson AG
SA00173DEOther aircraft modifications
Installation of Oilamatic preoiler system.
FAA holder: Oilamatic Inc
SA02449CHOther aircraft modifications
Replace filter stack with filter box and outside airscoop.
FAA holder: Larson AG
SA02247CHOther aircraft modifications
Installation of Pheromone Distribution Pod System.
FAA holder: Turbine Conversions Ltd
SA113NWPropellers
Installation of Efficiency Aircraft Components, Inc. propeller blades and Hamilton Standard hubs on Rockwell International series aircraft.
FAA holder: Pacific Propeller International LLC
SA465NWOther aircraft modifications
Installation of EAC-12D40- AG-100-4S propellers on P&W R-1340-AN-1-SH1H-1.
FAA holder: Pacific Propeller International LLC
SA01537SEFuel systems
Increase wing tank fuel capacity of the above model aircraft in accordance with Cascade Aircraft Conversions LLC drawing S2R-100 Revision A, dated April 20, 2005, or later FAA revision to this drawing.
FAA holder: Cascade Aircraft conversions LLC
SA2386NMPropellers
Installation of Pacific Propeller, Inc. 22D40/AG200-2 and 22D40/6533A-12 propellers, governors, and associated systems on Pratt & Whitney R-1340 series engines.
FAA holder: Pacific Propeller International LLC
SA01905CHEngine and powerplant
Replacement of an existing Pratt and Whitney model 1340 S3H1 engine and Hamilton Standard Model 12D40 propeller with a Pratt and Whitney model 1340 S3H1-G engine and Hamilton Standard Model 3D40 Propeller. Limited to installation on serial number 1541R ONLY.
FAA holder: Larson AG