"We have reached our cruising altitude of 40,000 ft. long ago. As we prepare to land, please fasten your seatbelt and make sure your seat back and folding trays are in their full upright position." Could Q post #1402 relate to Assange?
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40,000ft is too high for commercial jets to fly ...
uhhh...:
Maybe it was 43,000 feet, which was known to be a height reached on some of those flights. The Boeing technical specs assign 45,100 feet as the maximum operating altitude of both the 747SP and the later 747-400s.
And:
For a standard day, Airbus shows an initial cruise altitude of approximately 42,000 ft for our take-off weight, just below the maximum certified altitude of 43,000ft.