# N427Q: 1946 Beech D18S, registration cancelled 1980-12-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 17, 1980
- Status when cancelled: Valid registration
- Airframe: [Beech D18S](https://openairdocs.org/model/beech-d18s) (registry code 1151004)
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765) (OpenAirDocs)
- Serial number: A336
- Year built: 1946
- Type of aircraft: Fixed wing multi engine
- Certificate issued: November 7, 1977
- Mode S code: A516FE
- Owner when cancelled: [Wyman Pilot Service Inc](https://openairdocs.org/faa-owner/WYMAN%20PILOT%20SERVICE%20INC)
- Location: [Pontiac, MI](https://openairdocs.org/faa-place/MI/Pontiac)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N427Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=427Q
- Page: https://openairdocs.org/deregistered/N427Q-1980-12-17

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 Beech D18S: https://openairdocs.org/model/beech-d18s.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 CHI78FA027](https://openairdocs.org/ntsb/CHI78FA027), Mar 14, 1978: Beech D18 (N427Q), Whitelake, MI, destroyed, 2 fatal

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