Boeing 777 was bound for Seattle after setting out from London Heathrow . The plane had been flying at an altitude of about 35,000 feet when it disappeared on March 8 with 239 people aboard. A problem with oxygen in the cabin forced pilot to turn back to London . The plane which took off at 2.30pm landed safely at Heathrow before 5pm .
Boeing 777 was bound for Seattle after setting out from London Heathrow . BA Flight 49 was flying over Scotland when pilot declared an emergency . A problem with oxygen in the cabin forced pilot to turn back to London . The plane which took off at 2.30pm landed safely at Heathrow before 5pm .