A U.S. Navy P8 Poseidon taxis along the tarmac at Perth International airport to join the search for missing Malaysia airliner, which vanished more than a month ago.<br/> <br />On Friday, as many as 15 aircraft and 13 ships are involved in the search operation in a remote area of the southern Indian Ocean, where officials believe Flight MH370 crashed.<br/> <br />As planes comb a large search zone, thousands of kilometres west of Australia, for possible floating debris, ships are focussing on a smaller area where signals have been picked up consistent with the jet's flight recorders.<br/> <br />Prime Minister Tony Abbott says teams are confident the signals are from the black boxes.<br/> <br />(SOUNDBITE) (English) AUSTRALIAN PRIME MINISTER TONY ABBOTT SAYING:<br/> <br />"We have very much narrowed down the search area and we are very confident that the signals that we are detecting are from the black box on MH370."<br/> <br />(SOUNDBITE) (English) AUSTRALIAN PRIME MINISTER TONY ABBOT SAYING<br/> <br />"We are confident
