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Old 4th Nov 2019, 01:26
  #19 (permalink)  
Dave Therhino
 
Join Date: Jan 2013
Location: Seattle Area
Posts: 159
You are correct that will almost always be the case. For medium and long range airplanes there is typically a significant difference between the max takeoff weight and the max landing weight. For such airplanes, the weight at which the engine out approach climb gradient requirement can be met is quite a bit higher than the max landing weight, and in fact fairly close to the max takeoff weight. The design regulations require the airplane to be able to meet those climb requirements within 15 minutes after takeoff. (Note that the landing climb requirement is an all-engines operative case.)

I only mentioned getting below the performance limited weight to point out that I've seen quite a few reports where the crew chose to burn or jettison fuel off to get well below that weight.
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