save an aircraft because of some type of mechanical problem onboard the aircraft. there are still some questions that i have about being able to get communications outside of the airplane. but, again, i think at this point it's -- it would be nice to have a little few more of the pieces put together. but we also have to now take a look at the fact that if that aircraft went down to 12,000 feet, that the fuel that would be onboard the aircraft, it would have used a lot more fuel. so where along that ring of where the pingers would have come out could that airplane be? now we may be searching in the wrong place. >> mr. weiss, what are you questions about communications? >> my question would be, during the procedure, you'd want to communicate to air traffic control that you've turned off your airway. that you're declaring an emergency. what your intentions are. and particularly if it's a fire onboard the aircraft or some