Detecting underwater acoustic signals could provide scientists with new insights into plane crashes.
The children were miraculously found very much alive after a massive search effort spanning more than five weeks.
A fatal plane crash 12 years ago has since been blamed on a crocodile that got loose during a bungled smuggling attempt.
An airline flight from Israel to Turkey was forced to turn around after passengers received unnerving images on their phones.
A land and air search was undertaken on Sunday after members of the public saw a glowing object in the sky.