# N5564: Thorp T-18, registration cancelled 1976-05-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 25, 1976
- Status when cancelled: Valid registration
- Airframe: [Thorp T-18](https://openairdocs.org/model/thorp-t-18) (registry code 89510TJ)
- Serial number: 532
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 26, 1971
- Mode S code: A71899
- Owner when cancelled: [Warren Howard B](https://openairdocs.org/faa-owner/WARREN%20HOWARD%20B)
- Location: [Flint, MI](https://openairdocs.org/faa-place/MI/Flint)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N5564
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5564
- Page: https://openairdocs.org/deregistered/N5564-1976-05-25

From the FAA registry file of November 4, 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 Thorp T-18: https://openairdocs.org/model/thorp-t-18.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 CHI75FEM28](https://openairdocs.org/ntsb/CHI75FEM28), Feb 23, 1975: Thorp T-18 (N5564), Lansing, MI, destroyed

## Other aircraft with N5564

- [Cancelled 1928-07-02](https://openairdocs.org/deregistered/N5564-1928-07-02): Pitcairn PA-5, S/N 23, built 1928. Owner: [Pitcairn Aviation Inc](https://openairdocs.org/faa-owner/PITCAIRN%20AVIATION%20INC), [Brooklyn, NY](https://openairdocs.org/faa-place/NY/Brooklyn)

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