CEN14WA536 · Sikorsky S92 A
Sikorsky S92 A · Accident en route
Event
- NTSB case
- CEN14WA536
- Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
- Accident
- InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
- Unknown · led by another country; figures from NTSB notifications
- API-reported fatalities
- 0 · all aircraft and ground
- Ground fatalities
- 0
- OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
- Unknown
- WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
- Not recorded
Sikorsky S92 A
- Aircraft type
- Sikorsky S92
- Category
- Helicopter
- RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
- LN-ONW
- Operator
- Unknown
- Onboard fatalities
- Unknown
- Route
- From not recordedTo not recorded
- Aircraft age
- Not recorded
- Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
- Not recorded
- Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
- En route
- Defining eventThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
- Unknown or undetermined
- DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
- None
Cause areas
No findings designated as a cause are recorded in the NTSB data yet.
Approximate · Estimated position: the centre of Stavanger, the place the record names. Not the accident site.
NTSB 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
Verbatim NTSB factual narrative from the NTSB dataset
Sources
NTSB record CEN14WA536
- Event ID
- 20151019X21351
- Case number
- CEN14WA536
- Dataset
- full-current
- Source SHA-256
- 5cf380f0061817c0331a6b2d8cc7e0ee3a79bea469a1001dc5c10e56f35f5ab3
Source notes (4)
- Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
- Filled from the NTSB case API where the bulk record had no value: damage. Values present in the bulk record are kept.
- The date is the local date, which is the same as the UTC date the NTSB stores.
- API snapshot SHA-256: 920fbb749141bb00906b67242619f49e8c48af875722282550dc5d360caa3dcd; retrieved 2026-09-16T02:53:46.367Z.