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Thread: 737-800 Autothrottle Question
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Old 25th November 2012 | 18:36
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BOAC
Per Ardua ad Astraeus
 
Joined: Mar 2000
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From: UK
It's to prevent unpleasant fumes from de-icing fluid entering the cabin via the APU.
- and engines. The same reasons some airlines go 'unpress' if the runway has been de-iced.
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