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Really cold weather operations

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Really cold weather operations

Old 5th Feb 2012, 08:27
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Really cold weather operations

Some friends are currently on their way to Lapland on a Jet2 charter from Manchester. The current weather report is -32 Centigrade at Kittila Airport

Was just wondering if weather this cold causes any extra issues when on the ground? Is there a minimum start temperature below which it's better to keep engines running for example?
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Old 9th Feb 2012, 12:47
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The APU should be kept running , external airconditioning used ( warm ) or the a/c in heated hangar with water drained or water pipes , toilets etc will freeze up. Outflow valves may freeze. The engines will start unless the starter valve has frozen .
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Old 9th Feb 2012, 17:08
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Just leave the packs on, that keeps everything toastie, need need to drain water or put in a hangar, plus the bleed air will prevent the start valves freezing up
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Old 10th Feb 2012, 05:29
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I remember being restriced from ops into -80f as strut seals could rupture. You sound safe.
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Old 10th Feb 2012, 19:25
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You need to watch this!

Ice Pilots NWT - Wikipedia, the free encyclopedia
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Old 10th Feb 2012, 23:03
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An interesting question, especially considering how cold Europe is at the moment. Our limit figures on an Embraer 190 are: -40˚C Take off and APU start; -70˚C in flight at high levels and -54˚C at lower levels; -20˚C minimum battery temperature; -18˚C minimum hydraulic temperature.

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