# N6821Z: Piper PA-25-235, registration cancelled 1970-09-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 24, 1970
- Status when cancelled: Valid registration
- Airframe: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504)
- Data sheets: [TCDS 2A8](https://openairdocs.org/tcds/2A8) (OpenAirDocs)
- Serial number: 25-2492
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 7, 1965
- Mode S code: A90D38
- Owner when cancelled: [Silver State Aviation Inc](https://openairdocs.org/faa-owner/SILVER%20STATE%20AVIATION%20INC)
- Location: [Alamosa, CO](https://openairdocs.org/faa-place/CO/Alamosa)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N6821Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6821Z
- Page: https://openairdocs.org/deregistered/N6821Z-1970-09-24

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-25-235: https://openairdocs.org/model/piper-pa-25-235.md

## NTSB investigations (2)

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 DEN69F0097](https://openairdocs.org/ntsb/DEN69F0097), Aug 4, 1968: Piper PA-25 (N6821Z), Alamosa, CO, destroyed
- [NTSB UNK64X3755](https://openairdocs.org/ntsb/UNK64X3755), Sep 3, 1964: Piper PA25 (N6821Z), Eloy, AZ, substantial damage

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