this stage, we're continuing the air search. >> air commodore kevin mcavoy. royal new zealand air force. thanks, as usual, for all your help. >>> still ahead, the challenges of scouring the bottom of the sea. what will it take to find the missing plane with the bluefin-2 1? >>> plus, did searchers give up too soon on listening for pings from those two black boxes? what if the batteries aren't actually dead? much more on this story coming up. plus the day ee's other news. [ male announcer ] this is the cat that drank the milk... [ meows ] ...and let in the dog that woke the man who drove to the control room [ woman ] driverless mode engaged. find parking space. [ woman ] parking space found. [ male announcer ] ...that secured the data that directed the turbines that powered the farm that made the milk that went to the store that reminded the man to buy the milk that was poured by the girl who loved the cat. [ meows ] the internet of everything is changing everything. cisco. tomorrow starts here. that's why i got a new windows 2 in 1. it has exactly what i need

questions still exist, joining us, kevin mcavoy, part of the royal search effort.t can you tell us about the search effort? >> they had a no-fly day with the crews, basically no flying today and the crews doing maintenance with the aircraft. they did find some debris, but unfortunately it was not attributed to the missing plane itself. they actually went out and found some debris which they had anticipated would be. but they have sent a chinese ship into the area, they picked up what was unfortunately only floating debris of the fishing variety. >> there has been some confusion as to when the air component of the search would end. can you give us a sense of timing as to when that might happen, if you know? >> so we have had no official word around the conclusion. so airplanes at the moment as are all the other nations, they're planning to continue the search for as long as we have been told. >> who makes that decision to finally call off the air search? >> so my understanding is the decisions will be made at a political level obviously on the advice of internationa

joining us now, kevin mcavoy of the royal new zealand air force. thanks for joining us. any new, significant developments from your perspective today? >> no, unfortunately the weather's been a major factor in the last two days, wolf. on tuesday there was only about four of the eight aircraft able to get into the search area and yesterday another three got airborne but recalled back. tropical cyclone jet started to impact. hoping the weather's will be on the improve and another eight or nine sorties today. >> you're assuming there will be. have you heard anything definitively about the metal object of interest that washed up ashore in southern australia? >> no, i've heard nothing of anything. the reporting of the internet and papers. from what i gather the transportation safety board are assisting that. i think the initial indications whether they were that hopeful but i haven't seen anything formal yet. >> where do we go from here? assuming that the underwater search over the next few hours, a couple days at the most, leads nowhere, there's nothing found on the surface o