Two pilots fell asleep on  job during one of  most crucial parts of their flight. The pair were in charge of  Boeing 737 that was travelling from Khartoum, Sudan to Addis Ababa in Ethiopia.  airliner was at its cruising altitude of 37,000 feet (11,278 metres) and was due to begin its descent to Addis Ababa Bole Airport. Air traffic controllers at  airport were shocked when their flight radar showed  plane had overshot its destination. The pilots woke up after  autopilot disconnected and the alarm sounded. They quickly did  loop of the skies above  airport and successfully landed the plane. None of  concerned crew or passengers on board were hurt.
 airline spokesperson made  statement about the incident. She said: "We have received  report which indicates the Ethiopian flight...temporarily lost communication with air traffic control....The flight later landed safely after communication was restored." The airline said  pilots "have been removed from operation pending further investigation". It added: "Appropriate corrective action will be taken based on  outcome of the investigation. Safety has always been and will continue to be our first priority."  aviation analyst said the incident might have been  result of pilot fatigue. He said this was "nothing new, and continues to pose one of  most significant threats to air safety".