# NTSB CEN14WA536: Sikorsky S92, Stavanger, Norway, October 4, 2013

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Foreign investigation
- Date: October 4, 2013, 14:35 local (14:35 UTC)
- Place: Stavanger, Norway
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Unknown or undetermined](https://openairdocs.org/ntsb-events/000)
- Highest injury: No injuries
- Injuries: 14 uninjured
- Status: Led by another country's authority
- NTSB office: Central Region
- Lead agency: Other
- NTSB case key (mKey): 92193
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN14WA536
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/92193/pdf
- Page: https://openairdocs.org/ntsb/CEN14WA536

## Sequence of events

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

- [Enroute: Unknown or undetermined](https://openairdocs.org/ntsb-events/000) (defining event); cases with it: [All aircraft, 1,703 cases](https://openairdocs.org/ntsb-events/000/sequence.md)

## Factual narrative

On October 4, 2013, at 1435 coordinated universal time (UTC), a Sikorsky S-92A helicopter, Norwegian registration LN-ONW, made an emergency landing on the unmanned and decommissioned Yme oil rig. The two crew members and 12 passengers were uninjured. The helicopter departed from the Valhall oil rig and was en route to Sola, Norway. The emergency landing was executed due to indication of low oil pressure in the main gear box. This report is for informational purposes only and contains only information released by or obtained from the Accident Investigation Board of Norway. The investigation is under the jurisdiction of the Norwegian government. Further information may be obtained from: Accident Investigation Board of Norway (AIBN) P.O. Box 213 N-2001 Lillestrøm Norway Phone: + 47 63 89 63 00 Fax: + 47 63 89 63 01 E-mail: post@aibn.no Webpage: http://www.aibn.no

## Aircraft

- Registration: LN-ONW (not matched to a registry record)
- Reported make and model: SIKORSKY S92 (A)
- Category: Helicopter
- Damage: No damage

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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