# N1171U: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 3
- Last cancelled: March 16, 2000
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1171U
- Page: https://openairdocs.org/aircraft/N1171U

## Aircraft that carried N1171U

- [Cancelled 2000-03-16](https://openairdocs.org/deregistered/N1171U-2000-03-16): Collie Walter J U S AVIATION CUMULUS, S/N 002. Triennial form not returned. Owner: [Collie Walter J](https://openairdocs.org/faa-owner/COLLIE%20WALTER%20J), [Manchester, TN](https://openairdocs.org/faa-place/TN/Manchester)
- [Cancelled 1988-10-17](https://openairdocs.org/deregistered/N1171U-1988-10-17): Mooney M20J, S/N 241322. N-number assigned, not yet registered
- [Cancelled 1973-10-15](https://openairdocs.org/deregistered/N1171U-1973-10-15): Sikorsky S-58ET, S/N 581120, built 1959. Exported to Canada. Owner: [Sikorsky Aircraft Div United Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20DIV%20UNITED%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)

## NTSB investigations on N1171U (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 MIA98LA084](https://openairdocs.org/ntsb/MIA98LA084), Feb 24, 1998: Walter J Collie Cumulus (N1171U), Hillsboro, TN, destroyed, 1 fatal. Probable cause: Debonding of the leading edge to spar cap joint, which resulted in inflight separation.

## FAA accident and incident reports on N1171U (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 19980224006049A](https://openairdocs.org/incident/19980224006049A), Feb 24, 1998: Amtr CUMULUS (N1171U), Hillsboro, TN, Destroyed, 1 fatal. Narrative: on February 24, 1998, about 1320 central standard time, an experimental airplane called a Cumulus, N1171U, registered to an individual, operating as…

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