# NTSB ENG21WA045: Sikorsky S92, North Sea, Norway, September 25, 2021

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Class 5 · Foreign
- Date: September 25, 2021
- Place: North Sea, Norway
- Coordinates: 56.535833, 3.198611
- Nearby events: https://openairdocs.org/map.md?lat=56.5358&lon=3.1986&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- Parties: Sikorsky, FAA (AVP-100)
- NTSB case key (mKey): 103990
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG21WA045
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/103990/pdf
- Page: https://openairdocs.org/ntsb/ENG21WA045

## Sequence of events

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

- [Enroute: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330) (defining event)

## Aircraft

- Registration: LN-ONH (not matched to a registry record)
- Reported make and model: SIKORSKY S92 (A)
- Category: Helicopter
- Serial number: 920094
- Damage: Minor damage
- Flight: Non-U.S., commercial
- Operator: Bristow Norway
- Registered owner: VIH Aviation Group Ltd

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.