AYRES CORPORATION S2R-T660

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered AYRES CORPORATION S2R-T660 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

02 /  NTSB Records

Events involving AYRES CORPORATION S2R-T660 aircraft

3 event(s) on file. Showing the most recent 3.

• Mar 23, 1994

  N4081P

  SIMI VALLEY, California

  NTSB Docket →

• May 4, 1992

  N4081P

  SUN VALLEY, California

  NTSB Docket →

• Aug 31, 1971

  N4081P

  HARLOWTON, Montana

  NTSB Docket →

03 /  Airworthiness Directives

FAA directives applicable to AYRES CORPORATION S2R-T660

No matching airworthiness directives are on file for this make and model in the Federal Register.

04 /  Type Certificate Data Sheets

FAA TCDS for AYRES CORPORATION S2R-T660

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 2 matches in the FAA catalog.

• A4SW Historical Rev 42 · 12/20/2023

  Thrush Aircraft LLC.

  Models: 600 S-2D, S2R-T65, S2R-G1, S2R-R1340 + 16 more

  Atlas TCDS → DRS ↗
• A3SW Current Rev 19 · 12/11/2014

  Thrush Aircraft Inc.

  Models: S2R-R3S, S2R, 600 S-2D, S2R-T34 + 4 more

  Atlas TCDS → DRS ↗

05 /  Special Airworthiness Information Bulletins

Advisories applicable to AYRES CORPORATION S2R-T660

1 SAIB on file. SAIBs are FAA advisory notices — not mandatory like ADs, but worth reviewing for service bulletins and emerging issues.

• 07/24/1998

  SAIB ACE-98-42

  SAIB ACE-98-42 —

  Read → DRS ↗

06 /  Supplemental Type Certificates

Modifications approved for AYRES CORPORATION S2R-T660

95 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

• 05/16/2023

  STC SA4267WE

  Installation of modified horizontal stabilizer.

  Randy Goering Inc.

  Atlas STC → DRS ↗

• 09/09/2022

  STC SA1008WE

  Installation of Poly-Fiber covering material.

  Poly-Fiber Inc

  Atlas STC → DRS ↗

• 05/01/2018

  STC SA903GL

  Installation of a spin-off filter assembly in the engine scavenge oil system.

  Airwolf Filter Corp

  Atlas STC → DRS ↗

• 03/09/2018

  STC SA903GL

  Installation of a spin-off filter assembly in the engine scavenge oil system.

  Sky-Tractor Supply Co

  Atlas STC → DRS ↗

• 01/04/2011

  STC SA24RM

  Installation of electrically driven air-conditioning system in accordance with FAA Drawing List No. S2-001 dated March 28, 1974, or DL-S2 dated September 19, 1977, or subsequent FA…

  Meggitt (Addison) Inc.

  Atlas STC → DRS ↗

• 05/31/2006

  STC SA00172SE

  Installation of Garrett engines: TPE331-1-151A, -151K, -151G; TPE331-2-201A, -201C, or TPE331-6-252M, -252B, -252T.

  Kawak Aviation Technologies Inc

  Atlas STC → DRS ↗

• 05/31/2006

  STC SA00034SE

  Installation of AG-Air Systems, Inc., chemical disbursement system. (S2R modified per STC SA5953NM and S2R-G10 modified per STC SA00172SE)

  Kawak Aviation Technologies Inc

  Atlas STC → DRS ↗

• 06/01/2004

  STC SA01639NY

  Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B.

  Scale Modelbuilders Inc.

  Atlas STC → DRS ↗

• 02/06/2004

  STC SA903GL

  Installation of a spin-off filter assembly in the engine scavenge oil system.

  Sky-Tractor Supply Co

  Atlas STC → DRS ↗

• 11/07/2003

  STC SA4005NM (Page 1)

  Precise Flight Inc. Pulselite Control System

  Precise Flight Inc

  Atlas STC → DRS ↗

• 05/27/2003

  STC SA1008WE

  Installation of Poly-Fiber covering material.

  Poly-Fiber Inc.

  Atlas STC → DRS ↗

• 05/27/2003

  STC SA1008WE

  Installation of Poly-Fiber covering material.

  Poly-Fiber Inc

  Atlas STC → DRS ↗

• 03/06/2003

  STC SA01639NY

  Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B.

  Scale Modelbuilders Inc.

  Atlas STC → DRS ↗

• 11/14/2002

  STC SA01440AT

  Installation of Motorlet Model Walter M601E-11 engine and an AVIA-Hamilton Standard Aviation-Ltd. Model VJ8.510 propeller.

  Johnson Airspray Inc.

  Atlas STC → DRS ↗

• 06/14/2002

  STC SA1287GL

  Surrendered and incorporated into STC SA241CH.

  Cooper Aviation Supply Company, Inc.

  Atlas STC → DRS ↗

• 06/14/2002

  STC SA1095GL

  Surrendered and incorporated into STC SA00478CH.

  Cooper Aviation Supply Company, Inc.

  Atlas STC → DRS ↗

• 06/14/2002

  STC SA1286GL

  Surrendered and incorporated into STC SA241CH.

  Cooper Aviation Supply Company, Inc.

  Atlas STC → DRS ↗

• 06/14/2002

  STC SA1096GL

  Surrendered and incorporated into STC SA00478CH.

  Cooper Aviation Supply Company, Inc.

  Atlas STC → DRS ↗

• 04/15/2002

  STC SA1638WE

  Fabrication and installation of400-gallon fiberglass hopper.

  Transland Aircraft Inc

  Atlas STC → DRS ↗

• 01/14/2002

  STC SA00622LA

  Installation of an electronic digital engine tachometer horizon model P-1000.

  Horizon Instruments Inc

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA4046WE

  Installation of passenger/cargo compartment. (S2R S/N 2526R and up modified by STC SA3897WE) (S2R-R3S S/N R3S-001 AND UP)

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA4047WE

  Installation of passenger/cargo compartment. (S2R S/N 2526R AND UPmodified by STC SA3897WE) (S2R-R3S S/N R3S-001 AND UP, NORMAL CATEGORY)

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA4038WE

  Installation of second pilot's seat and dual controls. (S2R S/N 2526R AND UP MODIFIED BY STC SA3897WE) (S2R-R3S S/N R3S-001 AND UP)

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA4112WE

  Installation of second pilot's seat and dual controls or passenger/cargo compartment. (S2R s/n 2526R and up modified by STC SA3961WE)

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA3767WE

  Installation of 500 gallon fiberglass hopper and relocated oil cooler. (S2R RESTRICTED CATEGORY)

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA3237WE

  Installation of United Aircraft of Canada PT6A-27 or PT6A-34 engine.

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA4107WE

  Installation of second pilot's seat and dual controls or passenger/cargo compartment. (S2R S/N 2526R AND UP MODIFIED BY STC SA3238WE) (S2R-T34 S/N 6009-6049, S/N T34-001 AND UP)

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA3897WE

  Installation of Pezetel Model PZL-3S engine and Dowty Rotol model CR289/3-110-F/1 propeller. (S2R RESTRICTED CATEGORY)

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA4113WE

  Installation of second pilot's seat and dual controls or passenger/cargo compartment. (S2R S/N 2526R AND UP MODIFIED BY STC SA3961WE-NORMAL CATEGORY)

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

• 11/26/2001

  STC SA4045WE

  Installation of second pilot's seat and dual controls. (S2R S/N 2526R and up modified by STC SA3897WE) (S2R-R3S S/N R3S-001 AND UP NORMAL CATEGORY)

  Quality Aerospace, Inc.

  Atlas STC → DRS ↗

+ 65 more STCs on file

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for AYRES CORPORATION S2R-T660

05 /  Aircraft of this type

All 3 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.

05 /  Sources & Methodology

Every count traces back to a primary US-government source

• FAA Aircraft Registry →

  Refreshed Apr 27, 2026

  Available

• NTSB CAROL →

  Refreshed Apr 27, 2026

  Available

• Federal Register (FAA Airworthiness Directives) →

  Refreshed Apr 27, 2026

  Available

We render counts and lists as the agency publishes them. Read the methodology →