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Thread: Does any other aircraft reach 40,000ft of calibrated altitude?
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Old Feb 23, 2020 | 10:27 pm
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81romeo
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Does any other aircraft reach 40,000ft of calibrated altitude?
Just watching a BA A351 on Flightradar cruising at 40,000ft. On the same route I have seen a BA B744 and B773 reaching max 36,000ft.

Any tangible benefits from flying at a higher altitude? Will fuel consumption be higher or lower?

Thank you!
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