# N85AT: 2012 Timothy J Cowper PITTS SPECIAL S-1E, registration cancelled 2018-02-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 21, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Timothy J Cowper PITTS SPECIAL S-1E](https://openairdocs.org/model/timothy-j-cowper-pitts-special-s-1e) (registry code 05631WZ)
- Engine: [Lycoming O-360-A4A](https://openairdocs.org/engine/lycoming-o-360-a4a) (registry code 42270)
- Data sheets: [TCDS E-286](https://openairdocs.org/tcds/E-286) (OpenAirDocs)
- Serial number: 8-0073
- Year built: 2012
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 8, 2012
- Certificate issued: May 15, 2012
- Last registry action: May 15, 2012
- Mode S code: ABA511
- Owner when cancelled: [Cowper Timothy J](https://openairdocs.org/faa-owner/COWPER%20TIMOTHY%20J)
- Location: [Middle Grove, NY](https://openairdocs.org/faa-place/NY/Middle%20Grove)
- Owner type: Individual
- Owner's area on the map: 43.1026° N, 73.9814° W: Placed by OpenAirDocs at the center of ZIP code 12850, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N85AT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=85AT
- Page: https://openairdocs.org/deregistered/N85AT-2018-02-21

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 Timothy J Cowper PITTS SPECIAL S-1E: https://openairdocs.org/model/timothy-j-cowper-pitts-special-s-1e.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 ERA13LA434](https://openairdocs.org/ntsb/ERA13LA434), Sep 29, 2013: Timothy J Cowper Pitts Special S-1E (N85AT), Edinburg, NY, destroyed, 1 fatal. Probable cause: The pilot’s failure to maintain adequate airspeed during low-altitude maneuvering, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.

## 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 20130929020759A](https://openairdocs.org/incident/20130929020759A), Sep 29, 2013: Timothy J Cowper PITTS SPECIAL S-1E (N85AT), Edinburg, NY, Destroyed, 1 fatal. The aircraft departed Edinburg airport to the west, turned left, flew around the airport, and during climb and leaving the area to the west, the aircraft…

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