Aviation accidents and incidents cause of the crash; the minority report suggests an explosion was the likely cause. 239: On March 8, 2014, a Boeing 777-200ER, Malaysia Airlines Flight 370, flying from Kuala Lumpur, Malaysia, to Beijing, China, lost contact with air traffic controllers over the South China Sea, deviated from its planned route, and was presumed lost in the southern Indian Ocean. It carried 12 Malaysian crew members and 227 passengers from 15 nations. A multinational search effort, the most extensive and expensive in aviation history, has thus far failed to locate them, though debris from the aircraft were recovered on July 29,
Malaysia Airlines Flight 370 search of the sea-floor near the detections was carried out between 14 April and 28 May without any sign of Flight 370. In a March 2015 report, it was revealed that the calendar life of the battery for the ULB attached to Flight 370's flight data recorder had expired in December 2012 and may not have been as capable. In late June 2014, details of the next phase of the search were announced; officials have called this phase the "underwater search", despite the previous seafloor sonar survey. Continued refinement of the analysis of Flight 370's satellite communications identified a "wide