# N7634Z: 1966 Piper PA-25-235, registration cancelled 2007-10-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 24, 2007
- Exported to: Brazil
- 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: 25-3766
- Year built: 1966
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: April 6, 1967
- Certificate issued: June 5, 1987
- Last registry action: September 18, 2007
- Mode S code: AA4FA9
- Owner when cancelled: [Knox Jeffrey T](https://openairdocs.org/faa-owner/KNOX%20JEFFREY%20T)
- Location: [Ray, ND](https://openairdocs.org/faa-place/ND/Ray)
- Owner type: Individual
- Owner's area on the map: 48.3079° N, 103.1632° W: Placed by OpenAirDocs at the center of ZIP code 58849, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N7634Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7634Z
- Page: https://openairdocs.org/deregistered/N7634Z-2007-10-24

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 (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 CHI02CA248](https://openairdocs.org/ntsb/CHI02CA248), Aug 14, 2002: Piper PA-25-235 (N7634Z), Ray, ND, substantial damage. Probable cause: The pilot inadvertently stalled the airplane during takeoff. A factor was the tailwind.
- [NTSB MKC77FER71](https://openairdocs.org/ntsb/MKC77FER71), Jul 30, 1977: Piper PA-25 (N7634Z), Springfield, MN, substantial damage

## FAA accident and incident reports (3)

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 20020814021929A](https://openairdocs.org/incident/20020814021929A), Aug 14, 2002: Piper PA25235 (N7634Z), Williston, ND, Substantial damage. (-23) On August 14, 2002 at 9:00 am local time a PA-25-235 N7634Z, operated by a commercial pilot sustained substantial damage after stalling out on take off…
- [Accident 19790627016619A](https://openairdocs.org/incident/19790627016619A), Jun 27, 1979: Piper PA25235 (N7634Z), Hutchinson, MN, Substantial damage. Ran out of fuel returning to ag strip after spray run.
- [Accident 19770730041779A](https://openairdocs.org/incident/19770730041779A), Jul 30, 1977: Piper PA25235 (N7634Z), Springfield, MN, Substantial damage

---
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.