PPRuNe Forums - View Single Post - A320 Enroute Performance
Thread: A320 Enroute Performance
View Single Post
Old 14th June 2003 | 18:27
  #3 (permalink)  
mcdude
 
Joined: Sep 2000
Posts: 113
Likes: 0
As a general rule up to ISA + 15;

Optimum Flight Level = 570 - 3 x Gross Weight (tonnes)

Maximum Flight Level = OPT FL + 15

eg OPT FL for a GW of 75t = 570 - 225 = FL345

MAX FL for above example = FL345 + 15 = FL360

Hope this helps.
mcdude is offline