# N973CW: 1992 Ayres S2R-T34

- Status: Valid registration
- Airframe: [Ayres S2R-T34](https://openairdocs.org/model/ayres-s2r-t34) (registry code 0970106, 1 seats)
- Engine: [Pratt & Whitney Canada PT6A-41AG](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-41ag) (registry code 52266)
- Data sheets: [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: T41-172DC
- Year built: 1992
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: June 5, 1992
- Certificate issued: August 13, 2014
- Expires: August 31, 2027
- Mode S code: AD8F11
- Registered owner: [Rebecca Lynn Flying Service Inc](https://openairdocs.org/faa-owner/REBECCA%20LYNN%20FLYING%20SERVICE%20INC)
- Location: [Livingston, NY](https://openairdocs.org/faa-place/NY/Livingston)
- Owner type: Corporation
- Owner's area on the map: 42.1420° N, 73.7779° W: Placed by OpenAirDocs: center of Livingston, NY, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=973CW
- Page: https://openairdocs.org/aircraft/N973CW

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): 1 in force

### Matched by airframe (Ayres S2R-T34)

None in force.

### Matched by engine (Pratt & Whitney Canada PT6A-41AG)

- [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997

### Historical (superseded or no longer in force)

- [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) (2 in force)

- [SAIB ACE-98-17](https://openairdocs.org/saib/ACE-98-17): . Issued Dec 16, 1997
- [SAIB NE-06-34](https://openairdocs.org/saib/NE-06-34): . Issued Mar 21, 2006

## NTSB investigations

None matched to N973CW.

## FAA accident and incident reports

None matched to N973CW.

## 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) (9)

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 engine (Pratt & Whitney Canada PT6A-41AG)

- [STC SE12225AC](https://openairdocs.org/stc/SE12225AC): This STC will incorporate P&W 1700 rpm propeller reduction gearbox on P&WC engines to allow 1700 rpm propeller installation. High Cotton Aircraft Conversions, LLC
- [STC SE00014EN](https://openairdocs.org/stc/SE00014EN): Installation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models. Pratt & Whitney Engine Services Inc
- [STC SE00020EN](https://openairdocs.org/stc/SE00020EN): Installation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1. Pratt & Whitney Engine Services Inc
- [STC SE2960SO](https://openairdocs.org/stc/SE2960SO): Installation of an oil filler cap safety adapter. Jet Avion Corporation
- [STC SE615GL](https://openairdocs.org/stc/SE615GL): Incorporation of a fuel flow transducer. Shadin Avionics
- [STC SE01805NY](https://openairdocs.org/stc/SE01805NY): Installation of Fuel Nozzle Adapters using studs and nuts. Atlantic Turbines International Inc
- [STC SE09257SC](https://openairdocs.org/stc/SE09257SC): Convert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration. Covington Aircraft Engines, Inc
- [STC SE659NE](https://openairdocs.org/stc/SE659NE): Installation of oil tank filler neck check valve, P/N TSA-76A. Aviation Components Support
- [STC SE09144SC](https://openairdocs.org/stc/SE09144SC): Installation of an alternate gas generator case. Airforce Turbine Service

## Related

- Other Ayres S2R-T34 aircraft: https://openairdocs.org/model/ayres-s2r-t34/aircraft.md
- The Pratt & Whitney Canada PT6A-41AG engine: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-41ag.md

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