162 people on board, their families of course going through a desperate time. but right now in indonesian search and rescue officials say they believe the jet is at the bottom of the sea. >> this is families anxiously awaiting news on the fate of their loved ones. here is what we know right now. ships, helicopters, planes from several countries are going to be taking part in this search. >> that comes some 28 hours after the airasia plane disappeared on route to singapore. >> shortly before communication was lost the captain of the plane asked for a change in altitude because of bad weather. there were a lot of thunderstorms in the area. the ceo of air asia, says they are focused on the relatives of those on board. >> very devastated by what's happened. it's unbelievable. but we do not know what's happened yet. so we'll wait for the accident investigation to maybe find out