B-777 Air Systems.txt
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How many zones is the aircraft divided into for air conditioning?
7- Flight deck and cabin zones A-F
How many recirculation fans?
4- 2 upper and 2 lower.
Pack output increases if?
- 1. Opposite pack has failed.
- 2. Recirculation fan is off.
When is pack output limited?
During high bleed air demands (such as for gear retraction during TO).
At what altitude does the Ozone Converter start operating?
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