# N100GP: Lockheed 18-56, registration cancelled 1977-04-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 21, 1977
- Status when cancelled: Valid registration
- Airframe: [Lockheed 18-56](https://openairdocs.org/model/lockheed-18-56) (registry code 5261642)
- Serial number: 2571
- Type of aircraft: Fixed wing multi engine
- Certificate issued: February 11, 1974
- Mode S code: A00558
- Owner when cancelled: [George J Priester](https://openairdocs.org/faa-owner/GEORGE%20J%20PRIESTER)
- Location: [Wheeling, IL](https://openairdocs.org/faa-place/IL/Wheeling)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N100GP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=100GP
- Page: https://openairdocs.org/deregistered/N100GP-1977-04-21

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 Lockheed 18-56: https://openairdocs.org/model/lockheed-18-56.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 OAK77FA020](https://openairdocs.org/ntsb/OAK77FA020), Feb 21, 1977: Lockheed 18-56 (N100GP), Truckee, CA, destroyed

## Other aircraft with N100GP

- [Registered now](https://openairdocs.org/aircraft/N100GP): Hawker Beechcraft C90GTI, S/N LJ-2007, built 2011

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