On March 8, 2014, Malaysia Airlines Flight 370 mysteriously vanished while traveling from Kuala Lumpur to Beijing — and it's still unclear what caused the plane's disappearance.
On March 8, 2014, Malaysia Airlines Flight 370 departed Kuala Lumpur for Beijing at 12:41 a.m. local time with 227 passengers and 12 crew members on board. But then, at 1:19 a.m., the final voice transmission from the plane was sent to air traffic controllers. Just two minutes later, the transponder in the passenger plane was suddenly switched off.
Before long, the aircraft disappeared from the radar.
Soon, a multinational air and sea search was underway to find the missing MH370, including 60 ships and 50 aircraft from 26 different countries. It was the most expensive search operation in the history of aviation