Talk about thin ... The most plausible explanation is an electrical fire in the cockpit that knocked out the transponder and the rest of the controls and depre

Talk about thin ... The most plausible explanation is an electrical fire in the cockpit that knocked out the transponder and the rest of the controls and depressurized the main cabin. The pilot turned back towards his most familiar airport but oxygen failed in the cockpit, because of the fire, affected the crew and knocked them out. Best explanation of the left and right banks was that the pilots were trying to get their bearings because they had no radar or GPS.