PPRuNe Forums - View Single Post - Deploying flaps - when?
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Old 31st Mar 2016, 09:52
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Piltdown Man
 
Join Date: Jun 2002
Location: Wor Yerm
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In general, if you don't need the flaps, you don't use them. I fly an E190 and if I'm given complete control of my flight I'll not start lowering flap until I have about seven miles to run at 2,000'. However, ATC regularly place constraints on speed, level, and descent rate resulting in a requirement for us to lower flaps earlier than we would without the constraints. The speeds at which they are actually deployed vary with weight, icing conditions and the requirement for drag.

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