# N9791P: 1975 Piper PA-25-235, registration cancelled 2004-03-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 31, 2004
- Status when cancelled: Triennial form not returned
- Airframe: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504)
- Engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532)
- Data sheets: [TCDS 2A8](https://openairdocs.org/tcds/2A8), [TCDS E-295](https://openairdocs.org/tcds/E-295) (OpenAirDocs)
- Serial number: 25-7556104
- Year built: 1975
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, other
- Airworthiness date: September 9, 1999
- Certificate issued: June 15, 1999
- Last registry action: February 17, 2004
- Mode S code: ADA79D
- Owner when cancelled: [Mile High Gliding Inc](https://openairdocs.org/faa-owner/MILE%20HIGH%20GLIDING%20INC)
- Location: [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder)
- Owner type: Corporation
- Owner's area on the map: 40.0457° N, 105.2009° W: Placed by OpenAirDocs at the center of ZIP code 80301, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9791P
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9791P
- Page: https://openairdocs.org/deregistered/N9791P-2004-03-31

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 Piper PA-25-235: https://openairdocs.org/model/piper-pa-25-235.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 DEN02LA096](https://openairdocs.org/ntsb/DEN02LA096), Aug 16, 2002: Piper PA-25-235 (N9791P), Boulder, CO, destroyed. Probable cause: the pilot's inadequate preflight preparation, which resulted in fuel exhaustion and a subsequent loss of engine power, and his failure to maintain adequate airspeed during the forced landing, which…

## 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 20020816023699A](https://openairdocs.org/incident/20020816023699A), Aug 16, 2002: Piper PA25235 (N9791P), Boulder, CO, Substantial damage. (-23) This aircraft was conducting glider towing operations for approximately 30 minutes when the engine quit running. At the time the engine failed the pilot…

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