Helicopter operator CHC has temporarily cancelled all flights on the Norwegian Continental Shelf following a crash.
A total of 13 people were on board the flight from the Gullfaks platform B back to land when the incident happened off the coast close to Bergen.
The British Foreign and Commonwealth Office have confirmed one British person was killed, while it is also believe there were 11 Norwegians and one Italian on the flight.
Emergency responders are believed to have recovered 11 bodies while the search continues for two more people.
The Norwegian Prime Minister is expected to hold a press conference this afternoon to update on the incident.
Statoil has cancelled all flights and the Norwegian CAA has also stopped flights involving the ECC25 model.
CHC said in a statement the flight from the Statoil operated platform had been due to arrive at around 12.04pm.
The accident took place as it approached Flesland Airport.
A spokeswoman said: “CHC Helicopter Service was notified of the incident at 12:05 and contacted the appropriate Norwegian authorities. Exact details of the incident are not yet known. CHC has notified Norwegian authorities and are in contact with the Joint Rescue Coordination Center.
“CHC has mobilised the emergency response team and next of kin organisation.
“Out of respect for passengers and crewmembers, all flights with the aircraft type H225/EC225 have been stopped in the Norwegian sector. Flights with other aircrafts are temporarily halted, and will continuously be evaluated.”
Read the latest on the incident here.