Originally Posted by
OZBUSDRIVER
Ahhhh! That just answered a question that I had forgot about...Someone in the know...what happens if you turn the bleeds on say at 9 to 10k feet? Does it push the cabin pressure back to sea level pretty quickly?
The trick is, if you forget the bleeds, level off before 10,000ft, wind the pressurisation cabin altitude up to 9000ft, turn the bleeds on one by one, then continue the climb. Once in the cruise, slowly wind the cabin down.