Altitude Variation News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Let's get straight to cnn's richard quest. richard, what more are we learning? >> reporter: well, fredricka, this was the first indication of a connection, similarity, coincidence, whatever we want to say. they've started reading out the data from the cockpit voice recorder and the flight data recorder. it's being done by the b.e.a., which is the french regulator. extremely experienced. according now to the ethiopian transport minister, there were certain similarities between lyon air back in october, that particular crash of the 737 max, and the ethiopian 302 flight, the 737 max. what those s...

I think that the measures that we take have certainly improved and the measures taken now -- >> they're not taken universally, though. >> no, they're not and that's the reason that foreign airports are vulnerable. not to much our own airports as it is foreign airports from which planes originate and come to this country, and if somebody puts a bomb on an airplane, it can either be timed or set to altitude variation such that it is set to go off at a particularly vulnerable time. >> what do you -- let's say the russians or however -- are doing everything they could to check this but this was a ...

Means. >> reporter: this is the first time we've been told of an altitude variation of the aircraft. the many ply indications are that the aircraft was taken down an altitude under control and taken back up under control. what we're told remember the aircraft took the left turn off the original flight to beijing and flies back over the malaysian peninsula, back over the malacca straits and then lost from military radar after dipping down and reappears on military radar 120 nautical miles northwest of that position. we're being told because it disappeared from military radar, the belief is it d...