# N64DX: 1999 Ayres S2R-T15, registration cancelled 2014-07-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 21, 2014
- Status when cancelled: First renewal notice
- Airframe: [Ayres S2R-T15](https://openairdocs.org/model/ayres-s2r-t15) (registry code 0970105)
- Engine: [Pratt & Whitney PT6A series](https://openairdocs.org/engine/pratt-whitney-pt6a-series) (registry code 52032)
- Serial number: T15-040
- Year built: 1999
- Type of aircraft: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, agriculture and pest control, other
- Airworthiness date: April 23, 1999
- Certificate issued: July 8, 2010
- Last registry action: October 13, 2011
- Mode S code: A86343
- Owner when cancelled: [Tri Rotor Spray & Chemical](https://openairdocs.org/faa-owner/TRI%20ROTOR%20SPRAY%20%26%20CHEMICAL)
- Location: [Ulysses, KS](https://openairdocs.org/faa-place/KS/Ulysses)
- Owner type: Corporation
- Owner's area on the map: 37.5984° N, 101.3223° W: Placed by OpenAirDocs at the center of ZIP code 67880, within about 15 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N64DX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=64DX
- Page: https://openairdocs.org/deregistered/N64DX-2014-07-21

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-T15: https://openairdocs.org/model/ayres-s2r-t15.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 CEN12LA236](https://openairdocs.org/ntsb/CEN12LA236), Apr 9, 2012: Ayres S2R-T15 (N64DX), Lakin, KS, substantial damage. Probable cause: The pilot did not maintain sufficient airspeed while maneuvering, which resulted in an aerodynamic stall at a low altitude.

## 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 20120409006589A](https://openairdocs.org/incident/20120409006589A), Apr 9, 2012: Ayres Corporation S2R-T15 (N64DX), Lakin, KS, Substantial damage. The agricultural aircraft's fuel and chemical load were each approximately 2/3 full. Take-off was normal, with a light wind, and the pilot transitioned to and…

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