PPRuNe Forums - View Single Post - B777 Derate Takeoff Calculation by EFB
View Single Post
Old 10th Feb 2013, 12:34
  #2 (permalink)  
mutt
 
Join Date: Sep 1999
Location: ME
Posts: 5,502
Likes: 0
Received 0 Likes on 0 Posts
Obviously depends on the software, but the AFM permits you to assume 25% from the rating in use and not the max. Hence the reason you use VMCG at the actual temperature and are prohibit from going from D-TO2 to TO.

Mutt
mutt is offline