# NTSB CEN17WA069: Sikorsky S92, North Sea, UK, United Kingdom, December 28, 2016

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: December 28, 2016, 08:44 local (08:44 UTC)
- Place: North Sea, UK, United Kingdom
- Coordinates: 56.992778, 2.136111 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=56.9928&lon=2.1361&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Defining event: [Landing: Loss of tail rotor effectiveness](https://openairdocs.org/ntsb-events/242)
- Highest injury: No injuries
- Injuries: 11 uninjured
- Status: Led by another country's authority
- NTSB office: Central Region
- Lead agency: Other
- NTSB case key (mKey): 94568
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN17WA069
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/94568/pdf
- Page: https://openairdocs.org/ntsb/CEN17WA069

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Landing: Loss of tail rotor effectiveness](https://openairdocs.org/ntsb-events/242) (defining event); cases with it: [All aircraft, 100 cases](https://openairdocs.org/ntsb-events/242/sequence.md)

## Factual narrative

On December 28, 2016, G-WNSR, a Sikorsky S-92A helicopter had a heavy landing on the deck of an offshore platform in the North Sea. The 11 persons on-board were not injured. This accident/incident investigation is under the jurisdiction and control of the government of the United Kingdom and contains only information released by or obtained from the government of the United Kingdom. Further information may be obtained from: Air Accidents Investigation Branch (AAIB) Farnborough House Berkshire Copse Road Aldershot, Hampshire, GU11 2HH United Kingdom https://www.gov.uk/government/organisations/air-accidents-investigation-branch

## Aircraft

- Registration: G-WNSR (not matched to a registry record)
- Reported make and model: SIKORSKY S92 (A)
- Category: Helicopter
- Serial number: 92-0250
- Engines: GE CT7-8A 2520 horsepower turbo shaft; GE CT7-8A 2520 horsepower turbo shaft
- Airworthiness certificate: Unknown

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.

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