Now playing Next Malaysia MH370: Investigators try to recover deleted data from pilot's flight simulator 17/03/2014
Now playing Next Malaysia Can web users succeed where authorities have failed over missing plane? 13/03/2014
Now playing Next world news Vietnam search fruitless at site where China satellite detected suspected plane debris 13/03/2014
Now playing Next Malaysia Amid lack of clarity over flight MH370, 'witch-doctors' offer their own answers 12/03/2014
Now playing Next Malaysia Mysterious case of 'two stolen passports' used on Malaysia Airways flight 08/03/2014
Now playing Next Algeria At least 103 people dead as military plane crashes in eastern Algeria 11/02/2014
Now playing Next World Back in the Day: pioneer Earhart disappears during round-the-world flight 02/07/2013