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An s-400 antiaircraft system. one of the most sophisticated systems crossing from russia into ukraine. and also within this last few days, there has been increasing numbers of air engagements that the donetsk-based separatists have been firing at ukrainian su-35 fighter bombers, transport plane. so the tensions have been increasing over the last several days here. bob windrem, thank you so much. joining me by phone is john cox, aviation expert for nbc and msnbc. john, what do we know about this plane, the 777, and whether this could have been a crash at 33,000 feet. it had taken off in amsterdam and was headed over eastern ukrai ukraine. the boeing 777 200 has enjoyed a remarkably safety.
Eastern-ukraineOld-russianNo-oneAntiaircraft-systemSystemsNumbersAir-engagementsS-400One400SeparatistsTensionsLonger over and then they can go back. it s better weather, no longer the dreadful weather we ve had in the southern part. now it s much better. as you say, it s much easier to get here. much easier. they will know whether they re right or wrong about this new search area presumably more quickly. the only final caveat that we really have to say is that the sums that they are doing, back up here. it s boeing basically that looked at the aircraft performance data. they ve obviously given boeing more information from the radar. boeing has recalculated the data for the 777 200. they now know much better about the fuel burn up here. it really is a case of once you know how much fuel is on board and you know the speed up here and you know where it has to go roughly in the arc here, they start to move. it s disappointing but at least it s a great progression in terms of the investigation. you know, richard, you ve covered aviation for a long
777-200How the airplane behaves in real life, we can simulate it, but in real life, that s very hard to say. mitchell, what s the peak for a commercial aircraft for altitude? the 777 200 is certified for 45,200 feet. that is the maximum altitude it can fly. that is not to say on some days it can t reach that altitude. some days it is really hot and the molecules are separated, they re far apart and it affects lift and it can t get to that height. this commercial aircraft beyond the 777, beyond the 777. beyond the 777, i mean you re looking at between 35,000, 41,000 feet. but going up to 45,000 and above is unheard of. so the 777, that s a peak, 777, 45,000 feet. brad, this is what you talk about.
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