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Old 8th Jun 2021, 23:46
  #8 (permalink)  
Join Date: Jul 2013
Location: Everett, WA
Age: 66
Posts: 3,269

Exactly - MCT is "Max Continuous Thrust" - used for engine out diversion and the like. On many engines, MCT and Max Climb are the same above some altitude (e.g. 25k or 30k).
At least on the engines I worked with, Takeoff was a nominally a 5 minute limit. 10 minute TO was an extra cost option and only to be used with an engine out. 5 minutes is TO is usually adequate - 10 minutes is not needed for most airports - only those with obstructions relatively close to the departure end of the runway where you need additional climb gradient with engine out - e.g. in mountainous terrain.
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