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Jul 4, 2021 at 4:24 comment added Peter Kämpf If an airplane can take off, lift will not limit the altitude it can reach until the Mach effects of the coffin corner kick in. It is really just power that limits the altitude of small planes.
Jul 3, 2021 at 15:20 vote accept Boeing787
Jul 2, 2021 at 15:50 vote accept Boeing787
Jul 3, 2021 at 15:14
Jul 1, 2021 at 10:13 comment added Koyovis @CGCampbell "Power and lift on an aeroplane both decrease with increasing altitude" is the answer.
Jun 30, 2021 at 7:49 history edited Koyovis CC BY-SA 4.0
Some more graphs
Jun 29, 2021 at 19:35 vote accept Boeing787
Jul 2, 2021 at 15:45
Jun 29, 2021 at 16:29 comment added llama The Ta 152H had a service ceiling of 49k ft (with nitrous boost), if you want an even more extreme example
Jun 29, 2021 at 14:53 vote accept Boeing787
Jun 29, 2021 at 19:35
Jun 29, 2021 at 10:32 history edited Koyovis CC BY-SA 4.0
added 54 characters in body
Jun 29, 2021 at 9:25 comment added CGCampbell Not going to downvote a relatively interesting answer, however, I feel I must point out that this doesn't really answer the question. It's not what is the ceiling, it's what creates the ceiling. You start to intimate an answer with "due to compressing the thin intake air at altitude" but don't go into detail.
Jun 29, 2021 at 5:33 history answered Koyovis CC BY-SA 4.0