# N51686: 2022 Thrush S2R-T660

- Status: Valid registration
- Airframe: [Thrush S2R-T660](https://openairdocs.org/model/thrush-s2r-t660) (registry code 8380326, 2 seats)
- Engine: [Pratt & Whitney Canada PT6A-67F](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-67f) (registry code 52290)
- Data sheets: [TCDS A4SW](https://openairdocs.org/tcds/A4SW) (Thrush Aircraft LLC), [TCDS E26NE](https://openairdocs.org/tcds/E26NE) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: T660-170DC
- Year built: 2022
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Experimental, research and development
- Airworthiness date: September 27, 2022
- Mode S code: A67B48
- Registered owner: [Thrush Aircraft LLC](https://openairdocs.org/faa-owner/THRUSH%20AIRCRAFT%20LLC)
- Location: [Albany, GA](https://openairdocs.org/faa-place/GA/Albany)
- Owner type: LLC
- Owner's area on the map: 31.5253° N, 84.3015° W: Placed by OpenAirDocs at the center of ZIP code 31721, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51686
- Page: https://openairdocs.org/aircraft/N51686

From the FAA registry file of October 24, 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): 2 in force

### Matched by airframe (Thrush S2R-T660)

- [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

### Matched by engine (Pratt & Whitney Canada PT6A-67F)

- [AD 2024-04-51](https://openairdocs.org/ad/2024-04-51): Turbine Section · Pratt & Whitney Canada PT6A-64, PT6A-66, PT6A-66A and 17 more. Effective Mar 28, 2024

## 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

None matched to N51686.

## FAA accident and incident reports

None matched to N51686.

## 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) (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 (Thrush S2R-T660)

- [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 SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [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 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 SA02266SE](https://openairdocs.org/stc/SA02266SE): Installation of a Lever Throttle Quadrant. Kawak Aviation Technologies Inc
- [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 SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA04476NY](https://openairdocs.org/stc/SA04476NY): Installation of a Pratt & Whitney Engine Services, Inc., Flight Data Acquisition Storage and Transmission System (FAST). Amtech Aeronautical Limited
- [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 SA01402SE](https://openairdocs.org/stc/SA01402SE): Install modified engine cowl. Cascade Flying Service LLC
- [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 ST03554CH](https://openairdocs.org/stc/ST03554CH): Installation of Rotary Gatekeeper and provisions equipment. Turbine Conversions Ltd
- [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 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 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
- [STC ST00007AT](https://openairdocs.org/stc/ST00007AT): Installation of a chemical rinsing system. Paul S Woods. Lists S2R Series
- [STC SA1463NM](https://openairdocs.org/stc/SA1463NM): Installation of 46-1/2" wing tip extension on each wing tip and a fiberglass tip fairing. Smith David C
- [STC SA2350NM PAGE 1](https://openairdocs.org/stc/SA2350NM%20PAGE%201): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International
- [STC SA3862NM PAGE 1](https://openairdocs.org/stc/SA3862NM%20PAGE%201): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International
- [STC SA2150SO](https://openairdocs.org/stc/SA2150SO): Installation of chemical evacuation system to remove residue from the agricultural spray dispersal system. (S2R, 600 S2D SERIES RESTRICTED CATEGORY). Paul S Woods. Lists S2R Series
- [STC SA2190NM PAGE 2](https://openairdocs.org/stc/SA2190NM%20PAGE%202): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International
- [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. Electronics International

### Approved for the engine (Pratt & Whitney Canada PT6A-67F)

- [STC SE8652SW](https://openairdocs.org/stc/SE8652SW): Installation of a flexible hose from the Propeller Primary Governor to the Fuel Control Unit. Air Tractor Inc

## Earlier aircraft with N51686

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N51686 before.

- [Cancelled 2014-10-27](https://openairdocs.org/deregistered/N51686-2014-10-27): Enstrom Helicopter 280C, S/N 1113, built 1977. Registration expired, pending cancellation. Owner: [Action Air Helicopters Inc](https://openairdocs.org/faa-owner/ACTION%20AIR%20HELICOPTERS%20INC), [Valencia, PA](https://openairdocs.org/faa-place/PA/Valencia)
- [Cancelled 1955-11-29](https://openairdocs.org/deregistered/N51686-1955-11-29): Cessna T-50, S/N 5280. Owner: [Cole Harold J](https://openairdocs.org/faa-owner/COLE%20HAROLD%20J), [Olean, NY](https://openairdocs.org/faa-place/NY/Olean)

## Related

- Other Thrush S2R-T660 aircraft: https://openairdocs.org/model/thrush-s2r-t660/aircraft.md
- The Pratt & Whitney Canada PT6A-67F engine: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-67f.md

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