Challenger stacked over seaice



Accident over seaice with Challenger 5
Secured with pontoon sections



View from underwater
Situation end of the winter


Illustration – Accident with tractor 5
Situation end of the winter



Recovery operation
Hole cut through the ice


Illustration – Setting the gantry



Illustration – Moving the gantry



Ready to lift


Illustration – Lifting operation



Lifting operation


Illustration – Principle of the lift



Pulling out from water


Tractor extracted from water



Illustration – Tractor out of the water


Tractor out of the water



Illustration – End of the recovery operation


End of the recovery operation
Going home for repairs