# N971SK: 2014 Sikorsky S-97A, registration cancelled 2021-03-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 6, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Sikorsky S-97A](https://openairdocs.org/model/sikorsky-s-97a) (registry code 8141848)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 0001
- Year built: 2014
- Type of aircraft: Rotorcraft
- Airworthiness: Experimental, research and development
- Airworthiness date: July 12, 2017
- Certificate issued: November 3, 2014
- Last registry action: August 1, 2017
- Mode S code: AD88F6
- Owner when cancelled: [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP)
- Location: [West Palm Beach, FL](https://openairdocs.org/faa-place/FL/West%20Palm%20Beach)
- Physical address: [Jupiter, FL](https://openairdocs.org/faa-place/FL/Jupiter)
- Owner type: Corporation
- Owner's area on the map: 26.8457° N, 80.0874° W: Placed by OpenAirDocs at the center of ZIP code 33410, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N971SK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=971SK
- Page: https://openairdocs.org/deregistered/N971SK-2021-03-06

From the FAA registry file of November 7, 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 Sikorsky S-97A: https://openairdocs.org/model/sikorsky-s-97a.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 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 (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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