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Old 22nd Jan 2009, 12:37
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Centreline747
 
Join Date: Nov 2008
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Hi
Boeing 747 Operations Manual 04.30.02

"OPERATION WITH DE-ICING/ ANTI-ICING FLUIDS
Testing of undiluted de-icing/ anti-icing fluids has shown some fluid remains on the wing during takeoff rotation and initial climb out. Residual fluid causes a temporary decrease in lift and increase in drag. Takeoff operations with reduced thrust based on the assumed temperature method are NOT permitted"

This applies to all engines fitted to 742's.

I cannot comment on other airframe types.

Hope this helps

Rgds

CL747
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