# N18933: Beech C23, registration cancelled 1991-03-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 21, 1991
- Status when cancelled: Triennial form not returned
- Airframe: [Beech C23](https://openairdocs.org/model/beech-c23) (registry code 1151242)
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE) (OpenAirDocs)
- Serial number: M1972
- Type of aircraft: Fixed wing single engine
- Certificate issued: June 9, 1978
- Last registry action: January 31, 1991
- Mode S code: A164F8
- Owner when cancelled: [Nelson Ralph L Jr](https://openairdocs.org/faa-owner/NELSON%20RALPH%20L%20JR)
- Location: [Spokane, WA](https://openairdocs.org/faa-place/WA/Spokane)
- Owner type: Individual
- Owner's area on the map: 47.6968° N, 117.4449° W: Placed by OpenAirDocs at the center of ZIP code 99205, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N18933
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=18933
- Page: https://openairdocs.org/deregistered/N18933-1991-03-21

From the FAA registry file of November 7, 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 C23: https://openairdocs.org/model/beech-c23.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 SEA87LA140](https://openairdocs.org/ntsb/SEA87LA140), Jul 17, 1987: Beech C23 (N18933), Deer Park, WA, substantial damage

## 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 19870716082339A](https://openairdocs.org/incident/19870716082339A), Jul 16, 1987: Beech C23 (N18933), Deer Park, WA, Substantial damage. Engine stopped on climbout. Collapsed the landing gear landing in rough field. Fuel tank used had been repaired.

## Other aircraft with N18933

- [Cancelled 1955-10-18](https://openairdocs.org/deregistered/N18933-1955-10-18): Hockaday HOCKADAY COMET, S/N 1001, built 1946. Owner: [Hockaday Manufacturing Co](https://openairdocs.org/faa-owner/HOCKADAY%20MANUFACTURING%20CO), [Burbank, CA](https://openairdocs.org/faa-place/CA/Burbank)

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