Quote:
Originally Posted by dcxplant
These things are pressurized to over 8psi, and the engines pump vast amount of air into the cabin, so much so that there are huge valves that vent out the excess.
A <.4 inch hole has absolutely zero effect.
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Exactly. I recall reading on a seemingly authoritative airline site a while back that a 747 can maintain cabin pressure with 3 entire windows missing. (Wouldn't want to be sitting next to one of those missing windows, though!)