# N7971K: 1965 Beech S35, registration cancelled 2017-02-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 4, 2017
- Status when cancelled: Revoked, canceled
- Airframe: [Beech S35](https://openairdocs.org/model/beech-s35) (registry code 1151532)
- Engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032)
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15), [TCDS E5CE](https://openairdocs.org/tcds/E5CE) (OpenAirDocs)
- Serial number: D-7939
- Year built: 1965
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: February 24, 1972
- Last registry action: June 4, 1977
- Mode S code: AAD48B
- Owner when cancelled: [Ensign David O](https://openairdocs.org/faa-owner/ENSIGN%20DAVID%20O)
- Location: [Clayton, ID](https://openairdocs.org/faa-place/ID/Clayton)
- Owner type: Individual
- Owner's area on the map: 44.1587° N, 114.4959° W: Placed by OpenAirDocs at the center of ZIP code 83227, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N7971K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7971K
- Page: https://openairdocs.org/deregistered/N7971K-2017-02-04

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 Beech S35: https://openairdocs.org/model/beech-s35.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 MKC78FA034](https://openairdocs.org/ntsb/MKC78FA034), Apr 29, 1978: Beech S-35 (N7971K), Audubon, IA, destroyed, 5 fatal

## 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 19780429023209A](https://openairdocs.org/incident/19780429023209A), Apr 29, 1978: Beech F35 (N7971K), Audubon, IA, Destroyed, 4 fatal

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