Media playback is unsupported on your device

Do the final communications of flight MH370 hold a clue?

17 March 2014 Last updated at 21:23 GMT

Confusion still surrounds the exact circumstances under which the communication system was turned off on flight MH370.

A satellite company in London was the last to make contact with the systems on board the aircraft. Transport Correspondent Richard Westcott has been tracing the plane's last movements.

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.