# N4012Y: 1979 Ayres S2R-T34, registration cancelled 2012-11-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 15, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Ayres S2R-T34](https://openairdocs.org/model/ayres-s2r-t34) (registry code 0970106)
- Engine: [Pratt & Whitney PT6A series](https://openairdocs.org/engine/pratt-whitney-pt6a-series) (registry code 52032)
- Serial number: 6047
- Year built: 1979
- Type of aircraft: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: June 7, 1979
- Certificate issued: August 3, 1979
- Last registry action: July 16, 1988
- Mode S code: A4B30D
- Owner when cancelled: [Agro West Inc](https://openairdocs.org/faa-owner/AGRO%20WEST%20INC)
- Location: [Five Points, CA](https://openairdocs.org/faa-place/CA/Five%20Points)
- Owner type: Corporation
- Owner's area on the map: 36.3785° N, 120.1302° W: Placed by OpenAirDocs at the center of ZIP code 93624, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4012Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4012Y
- Page: https://openairdocs.org/deregistered/N4012Y-2012-11-15

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Ayres S2R-T34: https://openairdocs.org/model/ayres-s2r-t34.md

## 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 LAX87DVA09](https://openairdocs.org/ntsb/LAX87DVA09), May 21, 1987: Ayres S2R-T34 (N4012Y), Mendota, CA, substantial damage

## FAA accident and incident reports (2)

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 19910509014871A](https://openairdocs.org/incident/19910509014871A), May 9, 1991: Ayres S2RT34RESTD (N4012Y), Marysville, CA, Destroyed, 1 fatal. On spray turn around collided head on with N3633Q that was in turn climbout from ag strip. Failed to note other.
- [Accident 19870521038759A](https://openairdocs.org/incident/19870521038759A), May 21, 1987: Ayres S2RRESTD (N4012Y), Mendota, CA, Substantial damage. During spray operation the aircraft struck a pole, impacted crops. Pilots vision obscured in dawn light conditions.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.