The crew did not consult the weather forecast , nor did it plan a route before taking off , said Nagendra Prasad Ghimire , the joint secretary of the civil aviation ministry and part of the investigation commission . Pilot error caused U.N. helicopter crash killing 10 people , probe finds . Crew did not consult weather forecast nor plan a route before taking off . Comment:
Pilot error caused U.N. helicopter crash killing 10 people , probe finds . Crew did not consult weather forecast nor plan a route before taking off . Comment: