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Air space. that shouldnt be a surprise. the transponter is switched off. we know this from flight level 350,000, we know that is where it was at. that was the last air traffic control that we had. and it climbs to 39,000 feet. >> sit coming. here we go. >> all right. so at this point, that point is at vietnamese air space.
It Shouldn T Flight Level Air Traffic Control Step Seven Point Two One Sit Coming Svietnamese Air Space
Source: archive.org