of about 700 to 800 feet per minute. that's what the airplane will seth in settle in at. if they got into an excessive sink rate, that makes it hashder for the crew to arrest it at very low laltitudes. and in this case, they'll be looking to see if they tried to stop it and they couldn't. >> what would cause a plane to go into this excessive sink rate that he was talking about? >> the plane flying too slow. but the question is, flying too slow. i can think of only a couple of things. either the pilot is not doing his job or the engines were not producing power, couldn't get engine power that he wanted. both seem so out of -- out of the realm of possibility, but it has to be one of those. >> captain bun and greg, i want you to both stand by for me if i can. i want to bring in corrine gaines with the u.s. coast guard. corin, are you there?