Relatives and friends of affected passengers on lost Air Asia flight QZ8501 walk into the waiting area at Changi Airport, Singapore, Dec. 28, 2014. The flight QZ8501 took off from Surabaya, Indonesia, at 5:20 a.m. local time and was scheduled to arrive at Singapore's Changi Airport at 8:30 a.m.. Singapore air traffic control was informed at 7:54 a.m. that the flight lost contact with Jakarta air traffic control at 7:24 a.m. local time on Sunday. (Xinhua/Ma Yujie)