# N4025Y: 1981 Ayres S2R-T34

- Status: Valid registration
- Airframe: [Ayres S2R-T34](https://openairdocs.org/model/ayres-s2r-t34) (registry code 0970106, 1 seats)
- Engine: [U/A Canada PT6A series](https://openairdocs.org/engine/u-a-canada-pt6a-series) (registry code 61508)
- Serial number: T34-049DC
- Year built: 1981
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: June 18, 1981
- Certificate issued: June 5, 2008
- Expires: July 31, 2027
- Mode S code: A4B72D
- Registered owner: [Air Kraft Spraying Inc](https://openairdocs.org/faa-owner/AIR%20KRAFT%20SPRAYING%20INC)
- Location: [Timber Lake, SD](https://openairdocs.org/faa-place/SD/Timber%20Lake)
- Owner type: Corporation
- Owner's area on the map: 45.4230° N, 101.1067° W: Placed by OpenAirDocs at the center of ZIP code 57656, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4025Y
- Page: https://openairdocs.org/aircraft/N4025Y

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. The registry lists only the engine series, so ADs for every U/A Canada PT6A model are included.

## ADs that may apply (OpenAirDocs): 0 in force

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

None in force.

### Matched by engine (U/A Canada PT6A series)

None in force.

### Historical (superseded or no longer in force)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) (1 in force)

- [SAIB ACE-98-17](https://openairdocs.org/saib/ACE-98-17): . Issued Dec 16, 1997

## 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 FTW02LA161](https://openairdocs.org/ntsb/FTW02LA161), May 24, 2002: Ayres S2R-T34 (N4025Y), Aubrey, AR, substantial damage. Probable cause: The failure of a compressor turbine blade(s) for an undetermined reason.

## 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 20020524011149A](https://openairdocs.org/incident/20020524011149A), May 24, 2002: Ayres S2RT34RESTD (N4025Y), Aubrey, AR, No damage. (-23) On may 24, 2002, at 11:30 central daylight time, an Ayres S2R-T34 thrush agricultural airplane, N4025Y, was substantially damaged during a forced landing…

## 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)

None matched to this aircraft's models.

## Related

- Other Ayres S2R-T34 aircraft: https://openairdocs.org/model/ayres-s2r-t34/aircraft.md
- The U/A Canada PT6A series engine: https://openairdocs.org/engine/u-a-canada-pt6a-series.md

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