ONE of the top rotary awards, the American Helicopter Society's Igor Sikorsky International Trophy, has gone to Eurocopter for the high-altitude world record with an AS350 B3 landing on top of Mount Everest in 2005. Flown by Eurocopter Experimental Test Pilot Didier Delsalle, the AS350 B3 made two landings and takeoffs at 8850 metres (29,035ft) altitude.