information has been far less than probably a lot of people in the united states believe, that officials that you've heard from have been very frustrated by the lack of information they've been getting from malaysian authorities. >> because the ntsb and faa have so much experience in this, they have ways of getting information from different manufacturers and such that receive basically pings that came off of this plane. so in that sense they have some that information the u.s. says has gotten better and better over the past few days, and they anticipate will get better going into the weekend. but in the investigative side, the malaysian have sort of kept the u.s. at a distance. and the u.s. basically says well, we're incredibly good at this stuff. we've done a lot of this before. why don't you let us in. but that really hasn't happened yet. >> so michael, again from your reporting from multiple sources you're hearing that the plane after it lost contact and was supposed to be around 35,000 feet. it went up above 40,000 feet,