USA Licences of both the pilots — Timothy Cheney of Gig Harbor, Wash., the captain, and Richard Cole of Salem, Ore., the first office, have been revoked. Earlier, the pilots had told the investigatora that they were working on their personal laptop computers and lost track of time and place.   The pilots, who were out of communications with air traffic controllers for 91 minutes, violated numerous federal safety regulations in the incident last Wednesday night, the FAA said in a... Full Story