# N8171U: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: March 24, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8171U
- Page: https://openairdocs.org/aircraft/N8171U

## Aircraft that carried N8171U

- [Cancelled 2017-03-24](https://openairdocs.org/deregistered/N8171U-2017-03-24): Fairchild Hiller FH-1100, S/N 254, built 1962. Registration expired, pending cancellation. Owner: [Horizon Helicopters Inc](https://openairdocs.org/faa-owner/HORIZON%20HELICOPTERS%20INC), [Grand Ledge, MI](https://openairdocs.org/faa-place/MI/Grand%20Ledge)
- [Cancelled 1964-11-10](https://openairdocs.org/deregistered/N8171U-1964-11-10): Cessna 172F, S/N 17252071. Exported to El Salvador

## NTSB investigations on N8171U (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 CHI98FA313](https://openairdocs.org/ntsb/CHI98FA313), Aug 14, 1998: Hiller FH-1100 (N8171U), Dewitt, MI, destroyed, 1 fatal. Probable cause: The rotor failure/malfunction due to debonding of the tail rotor blade. Also causal was the inadequate maintenance inspection of the aircraft by the company and the improper maintenance procedure by…

## FAA accident and incident reports on N8171U (2)

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 19980814020869A](https://openairdocs.org/incident/19980814020869A), Aug 14, 1998: Hiller FH1100 (N8171U), Dewitt, MI, Substantial damage, 1 fatal. Helicopter crashed under unknown circumstances, pilot suffered fatal inj. (-23) during cruise flight one tail rotor blade separated form its hub, followed by…
- [Incident 19810811063199I](https://openairdocs.org/incident/19810811063199I), Aug 11, 1981: Cessna 150M (N8171U), Fairbanks, LA, Minor damage. Engine failed. Pilot landed on field nose gear struck ditch on roll out.

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