# N78634: Cessna 172K, registration cancelled 1983-07-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 7, 1983
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Cessna 172K](https://openairdocs.org/model/cessna-172k) (registry code 2072430)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12) (OpenAirDocs)
- Serial number: 172-57695
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 25, 1980
- Mode S code: AAA9AE
- Owner when cancelled: [Bredthauer David J](https://openairdocs.org/faa-owner/BREDTHAUER%20DAVID%20J)
- Location: [Lusk, WY](https://openairdocs.org/faa-place/WY/Lusk)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N78634
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=78634
- Page: https://openairdocs.org/deregistered/N78634-1983-07-07

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 Cessna 172K: https://openairdocs.org/model/cessna-172k.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 SEA72AS056](https://openairdocs.org/ntsb/SEA72AS056), Jun 24, 1972: Cessna 172K (N78634), Anacortes, WA, substantial damage

## Other aircraft with N78634

- [Cancelled 1956-03-16](https://openairdocs.org/deregistered/N78634-1956-03-16): Piper PA-11, S/N 11-1395, built 1947. Owner: [Western Flying Service](https://openairdocs.org/faa-owner/WESTERN%20FLYING%20SERVICE)

---
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.