closure, but let's talk about that when we know how many are coming and when they're arriving. >> reporter: is it very clearly now a case of not looking for survivors but looking for debris and looking for the black boxes? >> to this point in time we have no successfully identified and recovered any debris from the aircraft in question. >> reporter: can you confirm this is the place that the plane crashed? >> reporter: -- in his view the plane was in the southern ocean. do you share that strength of view? >> i think if we're going to go on data and information giving us a hint as to what has actually happened, that's all we've got to go on. the telemetry from the satellite, the inmarsat satellite and the performance of the aircraft is all we've got to go on. i think we've got to rely on that and that's what we've been