PPRuNe Forums - View Single Post - Why Boeing can not use assumed on contaminated Runway?
Old 21st Mar 2016, 11:31
  #17 (permalink)  
Join Date: Dec 2003
Location: Tring, UK
Posts: 1,414
Also, it is difficult to determine with much precision what surface conditions actually are. Every runway is different, the distribution of the contaminant, braking action, etc. is varied so itís sensible not to start off with eroded margins.

You might get away with full power in a situation where reduced thrust was not enough, in retrospect. Why risk it? We canít quantify contaminated runways to the same level we can TORA, OAT, ATOW, etc.
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