The mysterious disappearance of Malaysia Airlines Flight MH370 has investigators scrambling to find the Boeing 777-200ER jet which disappeared shortly after takeoff from Kuala Lumpur. Ships, surveillance planes, and submarines are sweeping the ocean in a bid to find the missing aircraft.

Over the past 50 years, dozens of planes have vanished, according to the Aviation Safety Network. The map below plots incidents of missing aircraft that carried at least 20 passengers. Select the red markers to read more about each flight.

Data source: Aviation Safety Network