# N331BF: 1992 Ayres S2R-G6

- Status: Valid registration
- Airframe: [Ayres S2R-G6](https://openairdocs.org/model/ayres-s2r-g6) (registry code 0970216, 1 seats)
- Engine: [AiResearch TPE331-5&6SER](https://openairdocs.org/engine/airesearch-tpe331-5-6ser) (registry code 01515)
- Data sheets: [TCDS A4SW](https://openairdocs.org/tcds/A4SW) (Thrush Aircraft LLC) (OpenAirDocs)
- Serial number: G6-102
- Year built: 1992
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: March 9, 1992
- Certificate issued: December 9, 2023
- Expires: December 31, 2030
- Mode S code: A399A5
- Registered owners: [Mcguire Rob](https://openairdocs.org/faa-owner/MCGUIRE%20ROB), [Mcguire Shantyl](https://openairdocs.org/faa-owner/MCGUIRE%20SHANTYL)
- Location: [Saint John, WA](https://openairdocs.org/faa-place/WA/Saint%20John)
- Owner type: Co-owned
- Owner's area on the map: 47.0982° N, 117.6539° W: Placed by OpenAirDocs at the center of ZIP code 99171, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=331BF
- Page: https://openairdocs.org/aircraft/N331BF

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 5 in force

### Matched by airframe (Ayres S2R-G6)

- [AD 2009-26-11](https://openairdocs.org/ad/2009-26-11): Spar caps · Thrush 600 S-2D, S-2R, S2R-G1 and 13 more. Effective Feb 24, 2010
- [AD 2007-26-01](https://openairdocs.org/ad/2007-26-01): Vertical and horizontal stabilizer · Thrush S-2R, S2R-G1, S2R-G10 and 12 more. Effective Jan 22, 2008
- [AD 2000-05-23](https://openairdocs.org/ad/2000-05-23): Main Landing Gear Fuselage Attach Bolt · Thrush S-2R, S2R-G1, S2R-G10 and 12 more. Effective May 5, 2000
- [AD 93-20-05](https://openairdocs.org/ad/93-20-05): Vertical Tail Attachment Bracket · Thrush S-2R, S2R-G10, S2R-G6 and 9 more. Effective Dec 3, 1993
- [AD 93-01-03](https://openairdocs.org/ad/93-01-03): Wing Front Spar · Thrush 600 S-2D, S-2R, S2R-G6 and 9 more. Effective Feb 5, 1993

### Matched by engine (AiResearch TPE331-5&6SER)

None in force.

### Historical (superseded or no longer in force)

- [AD 2006-07-15](https://openairdocs.org/ad/2006-07-15) (historical): Lower wing spar caps · Thrush S-2R, S2R-G1, S2R-G10 and 12 more. Effective Apr 18, 2006
- [AD 2000-11-16](https://openairdocs.org/ad/2000-11-16) (historical): Lower Spar Caps · Thrush 600 S-2D, S-2R, S2R-G1 and 13 more. Effective Jul 25, 2000
- [AD 97-17-03](https://openairdocs.org/ad/97-17-03) (historical): Lower Spar Cap Bolt Hole Areas · Ayres 600 S-2D, S-2R, S2R-G1 and 12 more. Effective Sep 5, 1997
- [AD 97-13-11](https://openairdocs.org/ad/97-13-11) (historical): Lower Spar Cap Bolt Hole Areas · Ayres 600-S-2C, S-2R, S2R-G1 and 12 more. Effective Jul 23, 1997

## Information bulletins (advisory) (1 in force)

- [SAIB AIR-22-04](https://openairdocs.org/saib/AIR-22-04): Emergency Exits. Issued Mar 14, 2022

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN11CA545](https://openairdocs.org/ntsb/CEN11CA545), Jul 28, 2011: Ayres S2R-G6 (N331BF), Forest City, IA, substantial damage. Probable cause: The pilot's inadequate visual lookout during an aerial application run, which resulted in an in-flight collision with a windmill.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20110728016389A](https://openairdocs.org/incident/20110728016389A), Jul 28, 2011: Ayres Corporation S2R-G6 (N331BF), Garner, IA, Substantial damage. Airman had been conducting aerial application on a field from east to west. He finished and was spraying the headlands (trim borders) on the field from north…

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (59, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Ayres S2R-G6)

- [STC SA04484CH](https://openairdocs.org/stc/SA04484CH): Installation of a Reabe Aircraft Improvement Power Gate Control System. Reabe Design LLC
- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA03040CH](https://openairdocs.org/stc/SA03040CH): Installation of a digital payload hopper quantity and spray boom pressure indicating system. Reabe Design LLC
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA04676CH](https://openairdocs.org/stc/SA04676CH): Installation of a True Quantity Gauge System. Reabe Design LLC
- [STC SA04568CH](https://openairdocs.org/stc/SA04568CH): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality. uAvionix Corporation
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA01540WI](https://openairdocs.org/stc/SA01540WI): Installation of hydraulically operated hopper loading door and associated control system (ground use only). Texas Transland LLC
- [STC SA01801SE](https://openairdocs.org/stc/SA01801SE): Installation of a Kawak Aviation Technologies auxiliary system, and optional ancillary equipment. Air Repair Inc
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA02499SE](https://openairdocs.org/stc/SA02499SE): Installation of a Pratt & Whitney PT6A-41, PT6A-42, or PT6A-42A engine and a Avia V508H/106B/A propeller. Cascade Aircraft conversions LLC
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation
- [STC ST03197CH](https://openairdocs.org/stc/ST03197CH): To install full swiveling locking tail wheel assembly onto the existing spring steel tail gear. Turbine Conversions Ltd
- [STC SA5190NM](https://openairdocs.org/stc/SA5190NM): Installation of Gustin Aviation chip detector light system. A & L Aircraft Parts Inc
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA00344BO PAGE 2](https://openairdocs.org/stc/SA00344BO%20PAGE%202): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA02135SE](https://openairdocs.org/stc/SA02135SE): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data). Electronics International Inc
- [STC SA01323CH](https://openairdocs.org/stc/SA01323CH): Installation of a ground single point fueling system. Turbine Conversions Ltd
- [STC SA00902CH](https://openairdocs.org/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 Conversions Ltd. Drawing List, Report WAL2000, Revision A, dated March 4, 2005, or later approved revision. Turbine Conversions Ltd
- [STC SA02205SE](https://openairdocs.org/stc/SA02205SE): 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. Cascade Aircraft conversions LLC
- [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC
- [STC SA01845WI](https://openairdocs.org/stc/SA01845WI): Installation of a Center Windshield. Hershey Flying Services
- [STC SA02276AK](https://openairdocs.org/stc/SA02276AK): Installation of AMSAFE Aviation Inflatable Restraints. AMSAFE Inc
- [STC SA03518AT](https://openairdocs.org/stc/SA03518AT): Installation of a bonded doubler inside the wing leading edge. Turbine Conversions Ltd
- [STC SA02442AK PAGE 2](https://openairdocs.org/stc/SA02442AK%20PAGE%202): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC
- [STC SA00580SE](https://openairdocs.org/stc/SA00580SE): Installation of winglets. Aero Spraying Service Inc
- [STC ST03554CH](https://openairdocs.org/stc/ST03554CH): Installation of Rotary Gatekeeper and provisions equipment. Turbine Conversions Ltd
- [STC SA01011CH](https://openairdocs.org/stc/SA01011CH): Installation of under wing strap enhancer. AG Aviation Innovations
- [STC SA00172SE](https://openairdocs.org/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)/T10282+4 propeller. Valley Air Service Inc
- [STC SA00178SE](https://openairdocs.org/stc/SA00178SE): Installation of vortex generators on the wing and tail surfaces of the above model aircraft. Micro AeroDynamics Inc
- [STC SA02951CH](https://openairdocs.org/stc/SA02951CH): Installation of modified Wing Spar Splice and Cap per Aeronautix Modification Kit. Gulf Coast Ag Aircraft Sales and Maintenance
- [STC SA02752AT](https://openairdocs.org/stc/SA02752AT): Installation of the E-Tec ET-107 System that uses a sequential 24V to 48V Fast Start in order to reduce turbine exhaust gas temperatures (EGT) during engine starts. Air Repair Inc
- [STC SA02985CH](https://openairdocs.org/stc/SA02985CH): Installation of a Cool Start System in accordance with Installation Instructions , Revision A, dated April 14, 2011, or later FAA Approved revision. Turbine Conversions Ltd
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics International Inc
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc
- [STC SA03654AT](https://openairdocs.org/stc/SA03654AT): Installation of Avenger Extended Performance Front Spar Enhancement Kit (new wing front spar lower capts, center splice and doublers). Avenger Aircraft and Services
- [STC SA00034SE](https://openairdocs.org/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
- [STC SA00419SE](https://openairdocs.org/stc/SA00419SE): Installation of modified battery box and junction box. Kawak Aviation Technologies Inc
- [STC SA02247CH](https://openairdocs.org/stc/SA02247CH): Installation of Pheromone Distribution Pod System. Turbine Conversions Ltd
- [STC SA04677CH](https://openairdocs.org/stc/SA04677CH): Installation of a Powered Hopper Lid and Auger System. Reabe Design LLC
- [STC SA01639NY](https://openairdocs.org/stc/SA01639NY): Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B. Scale Modelbuilders Inc
- [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc
- [STC SA00566WI](https://openairdocs.org/stc/SA00566WI): Installation of a Compro Aviation Driftfinder DFS-10 system which injects oil into engine exhaust to produce smoke to determine wind speed and direction. Compro Aviation Inc
- [STC SA4110WE](https://openairdocs.org/stc/SA4110WE): Installation of spring-type tail wheel strut assembly. Serv-Aero Engineering Inc
- [STC SA1626NM PAGE 1](https://openairdocs.org/stc/SA1626NM%20PAGE%201): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International

All 59: https://openairdocs.org/aircraft/N331BF/stcs.md

## Related

- Other Ayres S2R-G6 aircraft: https://openairdocs.org/model/ayres-s2r-g6/aircraft.md
- The AiResearch TPE331-5&6SER engine: https://openairdocs.org/engine/airesearch-tpe331-5-6ser.md

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