Malaysian Airlines Flight 370's disappearance remains one of aviation's greatest mysteries almost 11 years later, and now, a British company has launched what is likely to be the final search for the doomed aircraft . MH370 departed from Kuala Lumpur for Beijing on March 8, 2014, with 227 passengers and 12 crew members on board. The flight took off at 12.41am local time, reaching a cruising altitude of 35,000 ft at 1.01am. The plane's transponder, which communicated with air traffic control,