# N171Q: Lockheed 18-50, registration cancelled 1964-12-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 9, 1964
- Status when cancelled: Valid registration
- Airframe: [Lockheed 18-50](https://openairdocs.org/model/lockheed-18-50) (registry code 5261640)
- Serial number: 2381
- Type of aircraft: Fixed wing multi engine
- Certificate issued: June 19, 1964
- Mode S code: A11E42
- Owner when cancelled: [Mcalpin George](https://openairdocs.org/faa-owner/MCALPIN%20GEORGE)
- Location: [Houston, TX](https://openairdocs.org/faa-place/TX/Houston)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N171Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=171Q
- Page: https://openairdocs.org/deregistered/N171Q-1964-12-09

From the FAA registry file of November 5, 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 Lockheed 18-50: https://openairdocs.org/model/lockheed-18-50.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 UNK65X0665](https://openairdocs.org/ntsb/UNK65X0665), Nov 12, 1964: Lockheed L-18 (N171Q), Freeport, Burkina Faso, destroyed, 4 fatal

## Other aircraft with N171Q

- [Registered now](https://openairdocs.org/aircraft/N171Q): Cessna 172, S/N 28197, built 1956

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