# N971SK: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: March 6, 2021
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=971SK
- Page: https://openairdocs.org/aircraft/N971SK

## Aircraft that carried N971SK

- [Cancelled 2021-03-06](https://openairdocs.org/deregistered/N971SK-2021-03-06): Sikorsky S-97A, S/N 0001, built 2014. Registration expired, pending cancellation. Owner: [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [West Palm Beach, FL](https://openairdocs.org/faa-place/FL/West%20Palm%20Beach)

## NTSB investigations on N971SK (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 ERA17LA263](https://openairdocs.org/ntsb/ERA17LA263), Aug 2, 2017: Sikorsky S-97A (N971SK), Jupiter, FL, substantial damage. Probable cause: A design change in the helicopter's fly-by-wire control system that resulted in an increase in the sensitivity of the cyclic stick while transitioning from ground to flight mode, magnifying the…

## FAA accident and incident reports on N971SK (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 20170802011129A](https://openairdocs.org/incident/20170802011129A), Aug 2, 2017: Sikorsky S-97A (N971SK), Jupiter, FL, Substantial damage. On August 2, 2017, at 0720 eastern daylight time, a Sikorsky S-97, N971SK, experienced a flight control Anomaly while lifting to a hover resulting in excessive…

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