Two Indian Air Force (IAF) helicopters have successfully evacuated a civilian aircraft, which had recently crashed at the Kedarnath helipad at an altitude of 11,500 feet. "On October 26, Mi-17 V5 helicopters of Indian Air Force were tasked to undertake a very challenging task of evacuating a crashed aircraft of UT Air Private limited from high altitude region of Kedarnath," an IAF spokesperson said on Sunday.