# N866: 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: December 24, 1975
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=866
- Page: https://openairdocs.org/aircraft/N866

## Aircraft that carried N866

- [Cancelled 1975-12-24](https://openairdocs.org/deregistered/N866-1975-12-24): Sikorsky S-58C, S/N 58519. Owner: [Chicago Helicopter Industries Inc](https://openairdocs.org/faa-owner/CHICAGO%20HELICOPTER%20INDUSTRIES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- [Cancelled 1931-08-18](https://openairdocs.org/deregistered/N866-1931-08-18): Ryan B1, S/N 35, built 1927. Owner: [Robertson Airplane Service Co](https://openairdocs.org/faa-owner/ROBERTSON%20AIRPLANE%20SERVICE%20CO), [Robertson, MO](https://openairdocs.org/faa-place/MO/Robertson)

## NTSB investigations on N866 (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 CHI66A0101](https://openairdocs.org/ntsb/CHI66A0101), Jun 20, 1966: Sikorsky S58C (N866), Gary, IN, destroyed

## FAA accident and incident reports on N866 (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.

- [Incident 19820612031159I](https://openairdocs.org/incident/19820612031159I), Jun 12, 1982: Boeing 727 (N866), Phoenix, AZ. Flaps stuck at 4 degrees on takeoff climb. Landed overweight. Flap toggles, broken. Jammed in tracks. Pn 5983422.

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