Pilot error caused U.N. helicopter crash killing 10 people , probe finds . More than 13,0000 people died in the fighting . Crew did not consult weather forecast nor plan a landing before take off . The crew comprised of two Russians and one American .
Pilot error caused U.N. helicopter crash killing 10 people , probe finds . Crew did not consult weather forecast nor plan a landing before take off . The crew comprised of two Russians and one American .