- The helicopter is often used by pilots with less experience

accident inspector Tor Nørstegård in is not unknown to the helicopter type that crashed on the way from Røldal ski centre of Adelaide yesterday. A man and a woman in the 40-years were found dead after the accident.

- It is a widely used aircraft type and is often used by people with a little less experience, " says Nørstegård, as in the morning hours sat together with the colleagues in the accident to make a plan for how they shall go forward in the next hours and day.

ROBINSON: This is the helicopter type - the Robinson 44. Photo: Lars Laursen / ritzau / NTB scanpix Show more

- Major players often use more expensive and heavier machines, " says Nørstegård.

- There is no reason to believe that the accident has nothing to do with the helicopter type to do. It is not an issue so long as we do not know exactly what has happened, " says Nørstegård.

the Helicopter hit a mountain and has ended up in a difficult to access mountainous terrain, " says Tor Nørstegård, which is the accident inspector at the Accident investigation board Norway.

Will take a long time

- We are waiting on technical assistance from the kriminalteknisk in the West police district and from the accident investigation board, " says Terje Kvalvik, a sheriff in the Hardanger, to Dagbladet in 12.30-time.

Two found dead in the crashed helicopter

Police are working to secure the scene of the accident and trying to get in contact with witnesses to the accident. According to the sheriff, there is little hope for witnesses to the accident which happened in a remote area.

We want to get in touch with witnesses to the departure from Düsseldorf at 15.30 on Sunday. The police are very grateful for the tip, " he says.

According to the Kvalvik it will take a long time to find out what may have been the cause of the accident.

- When we don't have witnesses, it will take a long time. The helicopter is difficult to in the side of a mountain so there are challenges relating to the investigation, " he says.

HELICOPTER: Innsatsleder Øystein Torsnes tells about the difficult conditions in the mountains, and that they must wait to bring out the two fatalities after a helicopter crashed in Røldalsfjellet in the county of Hordaland. Video: Theo Aasland Valen Show more Set on the ground

Robinson helicopters has been in production since 1979 and the models have been involved in a number of incidents and accidents both in Norway and abroad.

the Aibn has submitted a report on 15 incidents and accidents where a helicopter type Robinson 44 has been involved since the year 2000. It is expected søstermodellen R22, the Aibn has issued 18 reports.

According to the New Zealand Herald was Robinson helicopter set on the country's luftfartstlisyns note-list in 2015 after several fatal accidents as a result of the so-called "mast bumb". A hendelesrekkefølge where the rotor in the worst case, peel off in the air.

80 Robinson helicopters was set on the ground. Australia followed suit and put the country's Robinson helicopters on the ground a short time later.

Helikoptret used by the military all over the world and established in 1997 a world record when Jennifer Murray as the first woman flew a Robinson-helikoter around the world in 97 days.