PPRuNe Forums - View Single Post - B757/767 risk of operation without A/C ground
Old 16th August 2014 | 15:46
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MikeAlphaBravo
 
Joined: Mar 2004
Posts: 93
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From: hotels
If the aircraft is electrically powered up, between 38-49 OAT one AC pack is required, above 49, 2 packs required for cooling. Or the equivalent from ground cooling. It's not for Pax though, it's for the aircraft equipment!
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