the world and across our country often. maybe also the turbulence. you can't see the turbulence. they have indicators of it. other planes threw the area. if it's a rapidly developing storm maybe they didn't know the turbulence. you could deal with lightning and icing on the wings. that's certain elevations with super cool drops of air. those are the possibilities of what they could have been dealing with. we won't know nshlofficially until we get the black box. for more let's try to bring in our "newsnation" experts john cox. a 30 year veteran with u.s. airways and safety board member katherine higgins. thank you for joining us. katherine, we're learning that the air asia plane was not fitted with a satellite