CNN Anderson Cooper 360 March 22, 2014 00:32:00
Geoffrey thomas is back with us from bulls brook, australia. >> geoff regarding this township of the transcript retained by the telegraph newspaper you say the signoff from the copilot still doesn't sit right with you. why? >> no. well, the international protocol from the international civil aviation organization is that the signoff should be a repeat of the instruction given by air traffic control. so typically the signoff should be mh 370, contact ho chi minh city on 120.9, good night. it repeats the instruction. that's the international protocol. all right good night is either very -- way t...