Version 1.1 : Updated 26 June 2014
In this age of constant surveillance, it shouldn't be possible to lose a Boeing 777 carrying 239 passengers. It's inconceivable that the aircraft flew for seven hours without anyone noticing that it was up there, completely off track. Yet, that's exactly what happened. Sylvia Wrigley, pilot and aviation expert, explores the possibilities in the pages of The Mystery of Malaysia Airlines Flight 370.