Nightly News   |  April 17, 2014

Cost of Missing Jet Search Tops $234 Million

The Bluefin robotic submarine finally completed a full pass of the ocean floor after two aborted missions.  

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>>> to find the wreckage of the malaysian airlines 777. the images of the sea floor , this after the first full successfully completed mission three miles down beneath the surface. katy tour is in perth, australia with the latest again tonight. good evening.

>> reporter: good evening, brian. it is friday morning here in perth australia and it turns out third time was a charm for blue fin 21 finally able to complete its first full pass of the ocean floor after two aborted missions. officials say they were able to greatly reduce the search zone but so far they haven't found anything of note. good news for the reduction, though, because it's unclear how much longer the governments involved will be able to keep footing the bill on this effort. in fact, earlier this week, the australian prime minister hinted at stopping the aerial search. in total this cost $234 million so far. as for the oil sick that ocean shield detected, it was analyzed back on land and brian, found it had nothing to do with mh 370.

>> katy tur who has a busted wing after a jogging incident. thanks to the e.r.