# N56PK: 2010 Keesler Patrick E W8 TAILWIND, registration cancelled 2018-01-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 10, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Keesler Patrick E W8 TAILWIND](https://openairdocs.org/model/keesler-patrick-e-w8-tailwind) (registry code 97902PK)
- Engine: [Continental C90-12F](https://openairdocs.org/engine/continental-c90-12f) (registry code 17183)
- Data sheets: [TCDS E-252](https://openairdocs.org/tcds/E-252) (OpenAirDocs)
- Serial number: 1953
- Year built: 2010
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 19, 2010
- Certificate issued: July 29, 2009
- Last registry action: October 13, 2011
- Mode S code: A725E0
- Owner when cancelled: [Keesler Patrick E](https://openairdocs.org/faa-owner/KEESLER%20PATRICK%20E)
- Location: [Neenah, WI](https://openairdocs.org/faa-place/WI/Neenah)
- Owner type: Individual
- Owner's area on the map: 44.1823° N, 88.5276° W: Placed by OpenAirDocs at the center of ZIP code 54956, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N56PK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=56PK
- Page: https://openairdocs.org/deregistered/N56PK-2018-01-10

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 Keesler Patrick E W8 TAILWIND: https://openairdocs.org/model/keesler-patrick-e-w8-tailwind.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 CEN11LA429](https://openairdocs.org/ntsb/CEN11LA429), Jun 29, 2011: Keesler W8 Tailwind (N56PK), Oshkosh, WI, substantial damage. Probable cause: The loss of engine power during initial climb for undetermined reasons.

## 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 20110629011639A](https://openairdocs.org/incident/20110629011639A), Jun 29, 2011: Keesler Patrick E W8 TAILWIND (N56PK), Oshkosh, WI, Substantial damage. On June 29, 2011 at approximately 10:00 am pilot [privacy data omitted] was cleared to depart runway 9 at Wittman Regional Airport for flight testing. A few…
- [Incident 20100706036509I](https://openairdocs.org/incident/20100706036509I), Jul 6, 2010: Keesler Pat W8 TAILWIND (N56PK), Oshkosh, WI, Minor damage. Aircraft N56PK departed osh for test flight. Pilot reported to osh tower that he lost engine power at 0026Z. Alert ii issued by osh tower, aircraft was able to…

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