# N6171Z: Piper PA-25, registration cancelled 1974-05-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 16, 1974
- Status when cancelled: Valid registration
- Airframe: [Piper PA-25](https://openairdocs.org/model/piper-pa-25) (registry code 7102502)
- Data sheets: [TCDS 2A8](https://openairdocs.org/tcds/2A8) (OpenAirDocs)
- Serial number: 25-204
- Type of aircraft: Fixed wing single engine
- Certificate issued: December 9, 1960
- Mode S code: A80B52
- Owner when cancelled: [Pankonin Floyd](https://openairdocs.org/faa-owner/PANKONIN%20FLOYD)
- Location: [Grant, NE](https://openairdocs.org/faa-place/NE/Grant)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N6171Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6171Z
- Page: https://openairdocs.org/deregistered/N6171Z-1974-05-16

From the FAA registry file of November 12, 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 Piper PA-25: https://openairdocs.org/model/piper-pa-25.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 DEN72FTE62](https://openairdocs.org/ntsb/DEN72FTE62), Mar 17, 1972: Piper PA-25 (N6171Z), Woodrow, CO, substantial damage

## Other aircraft with N6171Z

- [Registered now](https://openairdocs.org/aircraft/N6171Z): Cirrus Design SR22, S/N 0635, built 2003
- [Cancelled 2000-04-20](https://openairdocs.org/deregistered/N6171Z-2000-04-20): Pdps Pzl-Bielsko SZD-55-1, S/N 551198101. Exported to Canada. Owner: [Goshorn Kenneth E](https://openairdocs.org/faa-owner/GOSHORN%20KENNETH%20E), [Clermont, FL](https://openairdocs.org/faa-place/FL/Clermont)
- [Cancelled 1993-12-06](https://openairdocs.org/deregistered/N6171Z-1993-12-06): Cessna U206G, S/N U20606174. Exported to Peru. Owner: [Xxx, OK](https://openairdocs.org/faa-place/OK/Xxx)

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.
