Originally Posted by
david15
Dear SIr,
Thank you for your reply, but i need some more clarity. what is the importance of Zero fuel CG. Because TO CG is required for the take off, but ZF CG what is the importance
If you are zero fuel you still need to be properly balanced to glide safely, recover from stall, etc.
So, this metric checks whether on zero fuel you are still within the CG envelope and not out of whack.