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Air conditioning is powered by bleed air from the engines (or the APU or a ground source). The APU wouldn't be running during any normal flight, it's normally o
by Arch-TK 1y ago
Air conditioning is powered by bleed air from the engines (or the APU or a ground source). The APU wouldn't be running during any normal flight, it's normally only ever used on the ground when the engines are off and there's no external power source.
So I am not sure what you are trying to say here, sorry.
- foldr 1y agoThe 787 doesn’t use bleed air to power anything.
- chinathrow 1y ago> There is a video circulating that the air con was off on the previous flight ... on the ground - sorry I forgot to add that.