Virgin Atlantic : We have no evidence that both pilots were asleep simultaneously . Pilots of British airline slept in the cockpit at 30,000 feet , UK aviation authorities say . The airline in a statement said , `` Virgin Atlantic can confirm no safety reports have been received about pilots falling asleep simultaneously whilst in control of an aircraft . '' Airbus : The incident was ` ` due to longer flight hours with insufficient opportunity to sleep '' Some airlines allow one pilot at a time to sleep in the cockpit , under certain circumstances .
Virgin Atlantic : We have no evidence that both pilots were asleep simultaneously . Pilots of British airline slept in the cockpit at 30,000 feet , UK aviation authorities say . Airbus : The incident was ` ` due to longer flight hours with insufficient opportunity to sleep '' Some airlines allow one pilot at a time to sleep in the cockpit , under certain circumstances .