By Saffron Otter The pilots of Malaysia Airlines flight MH370 came under question as investigators delved deeper into what might have happened with the missing plane. On March 8, 2014, the commercial plane vanished during a flight from Kuala Lumpur to Beijing. Ten years on, there is still no definitive answer as to what happened to the jet and its 227 passengers and 12crew, with it regarded as one of the most perplexing aviation mysteries of all time. The flight set off as normal from the airport and it was tracked for the first 40 minutes in the air. But mere seconds after crossing into Vietn…