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Old 04-20-2015, 08:04 PM
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bedrock
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Joined APC: Nov 2012
Position: ERJ, CA
Posts: 718
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I don't know anything about the CRJ, but cold soaked fuel occurs when you have been aloft for some hours and the fuel drops to very cold temperatures. The danger in this is that the wing becomes very cold as well and even slight moisture will form ice instantly all over the wing. Usually there is a mechanism to keep the fuel from getting so cold that there is any chance of ice actually forming in the fuel itself.

Chapter 2 - Theory and Aircraft Performance - Transport Canada
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