CNN The Hunt With John Walsh December 28, 2014 04:53:00
>> richard, let me ask you just to explain. you said that there's much better acars in this case as opposed to flight 370. what exactly do you mean by that? >> the aircraft advisory and reporting system. this is the computer. this is the way in which -- think of it as bluetooth. you know, the plane is constantly discoverable. the plane is constantly sending out information to the ground. and this aircraft -- remember, with mh-370 the acars were disabled, or switched off, or something happened to the acars that meant it no longer gave information. the transponder was switched off. it no longer ...