# N789H: Thenhaus Thorp T-18, registration cancelled 1972-02-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 3, 1972
- Status when cancelled: Valid registration
- Airframe: [Thenhaus Thorp T-18](https://openairdocs.org/model/thenhaus-thorp-t-18) (registry code 89510S2)
- Serial number: 37
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 19, 1970
- Mode S code: AAB2A4
- Owner when cancelled: [Regina Peter P](https://openairdocs.org/faa-owner/REGINA%20PETER%20P)
- Location: [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N789H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=789H
- Page: https://openairdocs.org/deregistered/N789H-1972-02-03

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 Thenhaus Thorp T-18: https://openairdocs.org/model/thenhaus-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 FTW72DRG55](https://openairdocs.org/ntsb/FTW72DRG55), Mar 19, 1971: Thorp T-18 (N789H), Rosarito Bch, Mexico, destroyed

## Other aircraft with N789H

- [Cancelled 1993-01-22](https://openairdocs.org/deregistered/N789H-1993-01-22): Beech 200, S/N BB784. Exported to Brazil. Owner: [Executive Air Terminal Inc](https://openairdocs.org/faa-owner/EXECUTIVE%20AIR%20TERMINAL%20INC), [Charleston, WV](https://openairdocs.org/faa-place/WV/Charleston)
- [Cancelled 1936-08-15](https://openairdocs.org/deregistered/N789H-1936-08-15): Stearman C3-R, S/N 5033. Owner: [Marine Air Transport Co Inc](https://openairdocs.org/faa-owner/MARINE%20AIR%20TRANSPORT%20CO%20INC)

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