Seconds To Decide08 Jul 2002
CNN.com on the mid-air collision over Lake Constance: Pilot got conflicting warnings. It seems there were a lot a problems at the privatized Swiss air traffic control Skyquide that night. Phone lines down, collision control shut down for maintenance, back-up controller on break. The automatic on-board system worked. The human controller gave conflicting instructions. And the pilot had just seconds to decide what to do.