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Accidents · NTSB CEN10WA309 · Preliminary: the investigation is not finished

Robinson Helicopter Company R44 accident near Horten, Norway, No, January 27, 2010

On January 27, 2010 at about 1:23 pm local time, a Robinson Helicopter Company R44, registered LNOCV, was substantially damaged in an accident during enroute near Horten, Norway. It was flown under rules the NTSB did not record. 4 people were killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
January 27, 2010 · about 1:23 pm local time
Place
Horten, Norway, Norway
Type
Accident
Injuries
4 people were killed.
Weather
visual conditions (good weather)
Aircraft
Robinson Helicopter Company R44
Registration
LNOCV · no longer on the register · serial 0024
Damage
Substantial damage
Flight
Flight · rules the NTSB did not record

The NTSB's narrative preliminary · quoted from the NTSB record

On January 27, 2010, at 1323 coordinated universal time (UTC), a Robinson Helicopter Company model R44, s/n 0024, Norwegian registration LN-OCV, was substantially damaged when it impacted Oslofjord, near Horten, Norway. The pilot and 3 passengers were fatally injured. Marginal visual meteorological conditions prevailed at the time of the accident. The flight departed the Brunstad Conference Center near Mellsomvik, Norway, at 1313 UTC, and was en route to Bygdøy, near Oslo, Norway. The investigation is under the jurisdiction of the Norwegian government. Further information may be obtained from: Accident Investigation Board of Norway 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 This report is for informational purposes only and contains only information released by or obtained from the Accident Investigation Board of Norway.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Loss of control in flight during enroute defining event

Pilot

  • Certificate: foreign licence
  • Ratings: rotorcraft: helicopter
  • Flight time: 255 hours in all; 130 in this make and model
  • Medical certificate: Unknown
  • Seat: unk
  • Injury: fatal

The aircraft

  • Airframe total time: 2,420 hours
  • Last inspection: inspection type not recorded
  • Maximum gross weight: 2,400 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Textron Lycoming O-540 (piston); 0 hours total

The flight

  • Departed from: Brunstad at 1:13 pm
  • Destination: Oslo
  • Flight plan: not recorded

Weather at the time

  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Flight crew1
Passengers3

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.