The disappearance of Malaysia Airlines flight MH370 on 8 March 2014 continues to be one of the greatest aviation mysteries in recent times.
In spite of the fact that more than three months have passed since the loss of the aircraft, its black box has yet to be located.
Furthermore, whilst it was thought that the aircraft was lost in the southern Indian Ocean, this has now been discounted after an extensive search operation.
On Tuesday, BBC2’s Horizon tells what it claims to be the inside story of the search for flight MH370, with access to those on the frontline in the southern Indian Ocean and the British satellite engineers who tracked the plane’s final hours.
The film reveals how MH370 disappeared in a radar blind spot; what investigators believe happened to the aircraft in its last minutes; and how the area in which it could be found is still to be searched.
Horizon also examines the new technologies, like black box streaming and enhanced air traffic surveillance, that mean an airliner should never vanish without trace again.