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Type Record · As of May 3, 2026

AYRES CORPORATION S2R-T34

Fixed Wing Single Engine · P&W PT6A SER

Registered

78

Year Range

1978–1999

NTSB Events

45

Airworthiness Directives

12

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered AYRES CORPORATION S2R-T34 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • CA 12.8% 10
  • IA 11.5% 9
  • MN 6.4% 5
  • GA 6.4% 5
  • ID 6.4% 5
  • AR 5.1% 4
  • TX 5.1% 4
  • AZ 5.1% 4
  • CO 5.1% 4
  • NE 3.8% 3

+14 more states

By Decade of Manufacture

  • 1970s 21.8% 17
  • 1980s 16.7% 13
  • 1990s 46.2% 36
  • Unknown 15.4% 12

02 /  NTSB Records

Events involving AYRES CORPORATION S2R-T34 aircraft

45 event(s) on file. Showing the most recent 25 · 20 more available on NTSB CAROL.

03 /  Airworthiness Directives

FAA directives applicable to AYRES CORPORATION S2R-T34

12 directive(s) on file. Showing the most recent 12.

  • Jan 20, 2010

    Airworthiness Directives; Thrush Aircraft, Inc. Model 600 S2D and S2R Series Airplanes

    We are adopting a new airworthiness directive (AD) to supersede AD (AD) 2006-07-15, which applies to Thrush Aircraft, Inc. Model 600 S2D and S2R (S-2R) series airplanes (type certificate previously held by Quality Aerospace, Inc. and Ayres Corporation). AD 2006-07-15 currently requires repetitive inspections of the 1/…

  • May 4, 2009

    Airworthiness Directives; Thrush Aircraft, Inc. (Type Certificate Previously Held by Quality Aerospace, Inc. and Ayres Corporation) Model 600 S2D and S2R (S-2R) Series Airplanes

    We propose to supersede Airworthiness Directive (AD) 2006-07- 15, which applies to Thrush Aircraft, Inc. Model 600 S2D and S2R (S-2R) series airplanes (type certificate previously held by Quality Aerospace, Inc. and Ayres Corporation). AD 2006-07-15 currently requires repetitive inspections of the \1/4\-inch and \5/16…

  • Apr 4, 2006

    Airworthiness Directives; Thrush Aircraft, Inc. Model 600 S2D and S2R (S-2R) Series Airplanes

    The FAA is adopting a new airworthiness directive (AD) to supersede AD 2003-07-01, which applies to certain Thrush Aircraft, Inc. Model 600 S2D and S2R (S-2R) series airplanes (type certificate previously held by Quality Aerospace, Inc. and Ayres Corporation). AD 2003-07-01 currently requires you to repetitively inspe…

  • Apr 1, 2003

    Airworthiness Directives; Quality Aerospace, Inc. S2R Series and Model 600 S2D Airplanes

    This amendment supersedes Airworthiness Directive (AD) 2000- 11-16, which currently applies to certain Quality Aerospace, Inc. (Quality Aerospace) (formerly Ayres Corporation) S2R series and Model 600 S2D airplanes. AD 2000-11-16 requires you to repetitively inspect the \1/4\-inch and \5/16\-inch bolt hole areas on th…

  • Nov 8, 2002

    Airworthiness Directives; Quality Aerospace, Inc., S2R Series and Model 600 S2D Airplanes

    This document proposes to supersede Airworthiness Directive (AD) 2000-11-16, which currently applies to certain Quality Aerospace, Inc. (Quality Aerospace) (formerly Ayres Corporation) S2R series and Model 600 S2D airplanes. AD 2000-11-16 requires you to repetitively inspect the \1/4\-inch and \5/16\-inch bolt hole ar…

  • Jun 7, 2000

    Airworthiness Directives; Ayres Corporation S2R Series and Model 600 S2D Airplanes

    This amendment supersedes Airworthiness Directive (AD) 97-17- 03, which currently requires you to accomplish the following on Ayres Corporation (Ayres) S2R Series and Model 600 S2D airplanes: inspect the \1/4\-inch and \5/16\-inch bolt hole areas on the lower spar caps for fatigue cracking; replace any lower spar cap…

  • Feb 16, 2000

    Airworthiness Directives; Ayres Corporation S2R Series and Model 600 S2D Airplanes

    This document proposes to revise an earlier proposed airworthiness directive (AD) that the Federal Aviation Administration (FAA) issued against Ayres Corporation (Ayres) S2R series and Model 600 S2D airplanes. The earlier proposed rule would supersede the existing AD with a new AD that would require you to repetitivel…

  • Nov 24, 1999

    Airworthiness Directives; Ayres Corporation S2R Series Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to all Ayres Corporation (Ayres) S2R series airplanes that are equipped with at least one main landing gear fuselage attach bolt with a grease fitting installed through the shank. The proposed AD would require replacing the main landin…

  • Jan 13, 1999

    Airworthiness Directives; Ayres Corporation S2R Series and Model 600 S2D Airplanes

    This document proposes to supersede Airworthiness Directive (AD) 97-17-03, which currently requires inspecting the \1/4\-inch and \5/16\-inch bolt hole areas on the lower spar caps for fatigue cracking on Ayres S2R series and Model 600 S2D airplanes, and replacing any lower spar cap where fatigue cracking is found. Th…

  • Aug 18, 1997

    Airworthiness Directives; Ayres Corporation S2R Series Airplanes

    This amendment supersedes Airworthiness Directive (AD) 97-13- 11, which currently requires inspecting the \1/4\-inch and \5/16\-inch bolt hole areas on the lower spar caps for fatigue cracking on Ayres S2R series airplanes, and replacing any lower spar cap if fatigue cracking is found. That AD resulted from an acciden…

  • Jul 10, 1997

    Airworthiness Directives; Ayres Corporation S2R Series Airplanes

    This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 97-13-11, which was sent previously to known U.S. owners and operators of certain Ayres Corporation (Ayres) S2R series airplanes. This AD requires inspecting the \1/4\-inch and \5/16\-inch bolt hole areas on the lower sp…

  • Apr 26, 1996

    Airworthiness Directives; Hartzell Propeller Inc. HC-A3V, HC-B3M, HC-B3T, HC-B4M, HC-B4T, and HC-B5M Series Propellers

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Hartzell Propeller Inc. (Hartzell) HC-A3V, HC-B3M, HC-B3T, HC-B4M, HC- B4T, and HC-B5M series propellers. This proposal would require hub replacement over a 10-year time period with a concurrent blade and blade clamp inspec…

04 /  Type Certificate Data Sheets

FAA TCDS for AYRES CORPORATION S2R-T34

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

  • A3SW Current Rev 19 · 12/11/2014

    Thrush Aircraft Inc.

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

05 /  Special Airworthiness Information Bulletins

Advisories applicable to AYRES CORPORATION S2R-T34

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

06 /  Supplemental Type Certificates

Modifications approved for AYRES CORPORATION S2R-T34

113 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.

  • 09/09/2022

    STC SA1008WE

    Installation of Poly-Fiber covering material.

    Poly-Fiber Inc

  • 06/19/2018

    STC SA00902CH

    Installation of Walter a.s. turboprop engine model M601D-11 or M601E-11 with Avia Propeller Ltd. model V510, V510AG, V508E-AG/99A or V508E-AG/106A in accordance with Turbine Conver…

    Turbine Conversions Ltd

  • 05/01/2018

    STC SA903GL

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

    Airwolf Filter Corp

  • 03/09/2018

    STC SA903GL

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

    Sky-Tractor Supply Co

  • 12/03/2013

    STC SA00172SE

    Installation of the following Garrett engines: TPE331-1-151A, -151K, -151G; TPE331-2-201A, -201C, or TPE331-6-252M, -252B, -252T, in combination with a Hartzell HC-B3TN-5(M)/T1028…

    Valley Air Service Inc

  • 12/05/2011

    STC SA4374NM

    : Installation of a pitot-type engine air intake in accordance with R. David Record Installation Manual, dated August 18, 1988, and Master Print List No. 062088, dated September 2…

    Waukena Flying Services Inc.

  • 05/10/2011

    STC SA5590SW

    Frakes engine cowling, air inlet and filtration system and engine bleed air cockpit heater.

    Turbine Conversions Ltd

  • 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.

  • 02/07/2007

    STC SA00172SE

    Installation of the following Garrett engines: TPE331-1-151A, -151K, -151G; TPE331-2-201A, -201C, or TPE331-6-252M, -252B, -252T, in combination with a Hartzell HC-B3TN-5(M)/T1028…

    Turbine Dromaders LLC

  • 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

  • 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

  • 04/12/2005

    STC SA00902CH

    Installation of Walter a.s. turboprop engine model M601D-11 or M601E-11 with Avia Propeller Ltd. model V510, V510AG, V508E-AG/99A or V508E-AG/106A in accordance with Turbine Conver…

    Turbine Conversions Ltd

  • 06/01/2004

    STC SA01639NY

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

    Scale Modelbuilders Inc.

  • 02/06/2004

    STC SA903GL

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

    Sky-Tractor Supply Co

  • 11/07/2003

    STC SA4005NM (Page 1)

    Precise Flight Inc. Pulselite Control System

    Precise Flight Inc

  • 07/30/2003

    STC SA4107WE

    Installation of second pilot s seat and dual controls or passenger/cargo compartment in accordance with Serv-Aero Engineering, Inc. FAA sealed Master Drawing List MDL 020180, dated…

    Thrush Aircraft Inc.

  • 07/30/2003

    STC SA4108WE

    Installation of second pilot s seat and dual controls or passenger/cargo compartment in accordance with Serv-Aero Engineering, Inc. FAA sealed Master Drawing List MDL 020280, dated…

    Thrush Aircraft Inc.

  • 05/27/2003

    STC SA1008WE

    Installation of Poly-Fiber covering material.

    Poly-Fiber Inc.

  • 05/27/2003

    STC SA1008WE

    Installation of Poly-Fiber covering material.

    Poly-Fiber Inc

  • 03/06/2003

    STC SA01639NY

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

    Scale Modelbuilders Inc.

  • 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.

  • 06/14/2002

    STC SA1287GL

    Surrendered and incorporated into STC SA241CH.

    Cooper Aviation Supply Company, Inc.

  • 06/14/2002

    STC SA1095GL

    Surrendered and incorporated into STC SA00478CH.

    Cooper Aviation Supply Company, Inc.

  • 06/14/2002

    STC SA1286GL

    Surrendered and incorporated into STC SA241CH.

    Cooper Aviation Supply Company, Inc.

  • 06/14/2002

    STC SA1096GL

    Surrendered and incorporated into STC SA00478CH.

    Cooper Aviation Supply Company, Inc.

  • 04/15/2002

    STC SA1638WE

    Fabrication and installation of400-gallon fiberglass hopper.

    Transland Aircraft Inc

  • 01/14/2002

    STC SA00622LA

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

    Horizon Instruments Inc

  • 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.

  • 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.

+ 83 more STCs on file

07 /  PMA replacement parts

FAA-approved replacement parts for AYRES CORPORATION S2R-T34

2 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.

  • 5ARM300-6CNL#https://drs.faa.gov/browse/excelExternalWindow/AC369E31C915771C86257AFB0074EF2D.0001##

    Tension Unit

    Dayton Granger Inc replaces 5ARM300-6CNL

    PMA holder →
  • -#https://drs.faa.gov/browse/excelExternalWindow/E9B1E848A51FEF118625754C00778625.0001##

    Engine Cowling, Air Inlet and Filtration System, and Engine Bleed-Air Cockpit Heater

    Frakes Aviation replaces -

    PMA holder →

05 /  Aircraft of this type

All 78 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.

78 of 78
N-number St Year NTSB FAA
N114JP MN Look up ↗
N150AC MN 1991 · Look up ↗
N2067B WI 1998 · Look up ↗
N2076B AL 1998 · Look up ↗
N2111T NE 1998 · Look up ↗
N2239B IA Look up ↗
N2243J AR 1996 Look up ↗
N2256L IA 1997 Look up ↗
N22815 IA Look up ↗
N2292H FL 1999 · Look up ↗
N22EH IN 1999 · Look up ↗
N23034 MT 1999 Look up ↗
N2320T AR 1999 Look up ↗
N2329V MO 1999 · Look up ↗
N3004W GA 1995 · Look up ↗
N3089A TX Look up ↗
N3090G DE 1978 · Look up ↗
N30958 IN 1989 · Look up ↗
N3095K AL 1989 · Look up ↗
N3095X AZ 1991 Look up ↗
N3097K FL 1989 · Look up ↗
N3098K CA 1989 · Look up ↗
N3104W IA 1990 · Look up ↗
N3104Y IA 1991 Look up ↗
N3105E MN 1992 Look up ↗
N3105V CA 1989 Look up ↗
N3299P CO 1996 · Look up ↗
N3415C KS 1979 · Look up ↗
N34SG AR 1989 · Look up ↗
N363PT ND · Look up ↗
N393KW IA 1999 Look up ↗
N398KW FL · Look up ↗
N4002S CO 1978 · Look up ↗
N4006Y IL 1978 · Look up ↗
N40071 CA 1979 Look up ↗
N40101 ID 1979 · Look up ↗
N4010C CA · Look up ↗
N4010D SD 1979 Look up ↗
N4010X CO 1979 Look up ↗
N40110 AZ 1979 Look up ↗
N4011G NE 1979 Look up ↗
N4011H ID 1979 · Look up ↗
N40126 CA 1979 · Look up ↗
N40136 CA 1979 · Look up ↗
N4013B CA 1979 · Look up ↗
N4013L IL 1979 · Look up ↗
N40145 IA 1999 Look up ↗
N4015Z TX 1979 Look up ↗
N4016B AZ Look up ↗
N40175 AZ 1979 · Look up ↗
N40214 CA 1980 · Look up ↗
N4021P NC 1980 Look up ↗
N40226 ID 1981 Look up ↗
N4025Y SD 1981 Look up ↗
N4032L GA 1999 Look up ↗
N41783 TX 1987 Look up ↗
N444HF MN 1992 Look up ↗
N524SL IA 1994 Look up ↗
N58SK ID · Look up ↗
N596SF GA 1980 · Look up ↗
N6018T NE Look up ↗
N6099T CO 1993 · Look up ↗
N61220 SD 1993 · Look up ↗
N6124G CA 1993 Look up ↗
N6124Y AR 1993 · Look up ↗
N61340 MS 1996 · Look up ↗
N6135U IA 1996 · Look up ↗
N61373 CA 1996 Look up ↗
N627EH IN 1991 · Look up ↗
N66TH GA 1988 · Look up ↗
N791SF GA 1991 · Look up ↗
N870RL DE · Look up ↗
N891JC DE 1999 Look up ↗
N927BT ID · Look up ↗
N92KM MN 1992 Look up ↗
N94PE TX 1994 · Look up ↗
N95GP KS 1992 · Look up ↗
N973CW NY 1992 · Look up ↗

Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)

05 /  Sources & Methodology

Every count traces back to a primary US-government source

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