# N9637P: 1974 Piper PA-25-235, registration cancelled 2013-03-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 20, 2013
- Status when cancelled: Sale reported, canceled
- 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: 25-7405806
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: October 21, 1974
- Last registry action: December 21, 1993
- Mode S code: AD6AA6
- Location: [Brewster, WA](https://openairdocs.org/faa-place/WA/Brewster)
- Owner type: Individual
- Owner's area on the map: 48.1315° N, 119.8060° W: Placed by OpenAirDocs at the center of ZIP code 98812, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9637P
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9637P
- Page: https://openairdocs.org/deregistered/N9637P-2013-03-20

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 SEA93LA101](https://openairdocs.org/ntsb/SEA93LA101), Apr 24, 1993: Piper PA-25-235 (N9637P), Forest Grove, OR, substantial damage. Probable cause: THE PILOT IN COMMAND'S INADEQUATE PREFLIGHT PLANNING. FACTORS CONTRIBUTING TO THE ACCIDENT WERE THE WET TERRAIN, TAILWIND, TREES, AND WIRES.

## 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 19930424010569A](https://openairdocs.org/incident/19930424010569A), Apr 24, 1993: Piper PA25235 (N9637P), Forest Grove, OR, Substantial damage. Failed to leave ground effect on downwind takeoff from wet muddy strip. Struck trees wires and cartwheeled.

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