PPRuNe Forums - View Single Post - Why Boeing can not use assumed on contaminated Runway?
Old 19th Mar 2016, 15:17
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Join Date: Dec 2012
Location: On SBY next to my phone
Posts: 287
@TowerDog, so is a derated thrust rating, which you can do on a contaminated runway.

I think that it has to do with the minimum control speeds which are calculated according to the thrust rating.
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