search for the plane and black boxes were all that more difficult. they had to be searched for through the wreckage. i want to bring in sean persnikty. he is an air vors investigator and investigated flight 5191, air france. how does today's announcement change things? it certainly refocuses and validates the efforts that had been put into searching this area off the southwest coast of perth? >> i agree, anderson, it really does. this new area of interest really is very close to the area the ntsb had plotted out as a potential area for finding debris. there are two things we need to be mindful of. we talked about the transponder