# N40HB: Thorp T-18, registration cancelled 1996-10-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 22, 1996
- Status when cancelled: Second triennial mailing, no response
- Airframe: [Thorp T-18](https://openairdocs.org/model/thorp-t-18) (registry code 89510TM)
- Serial number: 165
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 21, 1975
- Last registry action: August 31, 1985
- Mode S code: A4AAF9
- Owner when cancelled: [Bingman H David III](https://openairdocs.org/faa-owner/BINGMAN%20H%20DAVID%20III)
- Location: [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville)
- Owner type: Individual
- Owner's area on the map: 38.2647° N, 85.6118° W: Placed by OpenAirDocs at the center of ZIP code 40222, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N40HB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40HB
- Page: https://openairdocs.org/deregistered/N40HB-1996-10-22

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 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 FTW85LA127](https://openairdocs.org/ntsb/FTW85LA127), Feb 24, 1985: Thorpe T-18 (N40HB), Ada, OK, destroyed

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19850224056189A](https://openairdocs.org/incident/19850224056189A), Feb 24, 1985: Amtrth THORPT18 (N40HB), Ada, OK, Destroyed. Total loss of power after takeoff. Stalled, impacted ground. Pilot did not lower nose. Sealant blocked fuel screen.

## Other aircraft with N40HB

- [Registered now](https://openairdocs.org/aircraft/N40HB): Phoenix Air Sro PHOENIX U15, S/N 18/U15, built 2012

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.