Survivors of the Turkish Airlines crash in Amsterdam have been returning home to Istanbul as investigations into the accident continue.The first flight carried seven people who escaped with minor injuries when the Boeing 737-800 came down in a field as it approached Schiphol Airport. Nine people were killed. More than 60 others are still in hospital, six in a critical condition. It has been suggested that when it crashed, the plane, heading from Istanbul, suffered simultaneous failure in both its engines. “It seems to me that more thrust than in only one engine had been lost and if it is the full thrust of both engines or just part of the power, that made it inevitable that the aircraft would come down ahead of the runway,” said Steven P.B. Verhagen of the Dutch Airline Pilots Association. As experts in Paris study the plane’s flight recorders, it has emerged that two days before the accident it underwent repairs for a malfunction. Turkish Airlines and the Turkish government meanwhile have been criticized after it was initially announced that everyone on board had survived.