# N911FK: 1981 Sikorsky S-76A, registration cancelled 2019-01-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 22, 2019
- Status when cancelled: Valid registration
- Airframe: [Sikorsky S-76A](https://openairdocs.org/model/sikorsky-s-76a) (registry code 8143006)
- Engine: [Turbomeca ARRIEL-1S1](https://openairdocs.org/engine/turbomeca-arriel-1s1) (registry code 60032)
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE), [TCDS E19EU](https://openairdocs.org/tcds/E19EU) (OpenAirDocs)
- Serial number: 760197
- Year built: 1981
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: June 22, 1998
- Certificate issued: June 21, 2006
- Last registry action: July 13, 2017
- Mode S code: AC9AE9
- Owner when cancelled: [Monroe County Sheriffs Office](https://openairdocs.org/faa-owner/MONROE%20COUNTY%20SHERIFFS%20OFFICE)
- Location: [Key West, FL](https://openairdocs.org/faa-place/FL/Key%20West)
- Owner type: Government
- Owner's area on the map: 24.5446° N, 81.9217° W: Placed by OpenAirDocs at the center of ZIP code 33040, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N911FK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=911FK
- Page: https://openairdocs.org/deregistered/N911FK-2019-01-22

From the FAA registry file of October 31, 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-76A: https://openairdocs.org/model/sikorsky-s-76a.md

## Service difficulty reports (1)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR GHEA2014121700001](https://openairdocs.org/sdr/GHEA2014121700001), Dec 17, 2014: LINE. LEAKING. THE ACFT DEPARTED, THE MASTER CAUTION LIGHT ILLUMINATED. THE HYDRAULIC PRESSURE INDICATED BELOW 2000 PSI. FLIGHT DIVERTED. THE LANDING GEAR WAS EXTENDED BY THE 

## 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 ERA18LA053](https://openairdocs.org/ntsb/ERA18LA053), Dec 15, 2017: Sikorsky S76 (N911FK), Islamorada, FL, substantial damage. Probable cause: The pilot's activation of the rotor brake while the No. 2 engine was still set to govern the power turbine speed, which resulted in continuous power being applied to the rotor while the rotor brake…

## FAA accident and incident reports (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 20171215023479A](https://openairdocs.org/incident/20171215023479A), Dec 15, 2017: Sikorsky S-76A (N911FK), Islamorada, FL, Substantial damage. An S-76A++ helicopter landed on a 135 helicopter air ambulance flight at an off aiport location. The flight medic and nurse exited the aircraft to respond to…
- [Incident 20121128025499I](https://openairdocs.org/incident/20121128025499I), Nov 28, 2012: Sikorsky S-76A (N911FK), Tavernier, FL, Minor damage. While hovering on the departure pad, the tail rotor came in contact with tree branches. Crew was unaware of the incident until post flight inspection revealed…

## Other aircraft with N911FK

- [Registered now](https://openairdocs.org/aircraft/N911FK): Agustawestland Philadelphia AW139, S/N 41606, built 2025

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