Originally Posted by
JammedStab
FAR 25.25 Weight limits.
(b) Minimum weight. The minimum weight (the lowest weight at which compliance with each applicable requirement of this part is shown) must be established so that it is not less than—
(1) The lowest weight selected by the applicant;
(2) The design minimum weight (the lowest weight at which compliance with each structural loading condition of this part is shown); or
(3) The lowest weight at which compliance with each applicable flight requirement is shown.
This Boeing document titled "Introduction to Weight and Balance" has this statement.
"Minimum Inflight Weight (MFW):
The minimum allowed weight during flight. Establishes the load factor for airplane fixed equipment"
Not really sure what it means though.
http://www.scribd.com/doc/133403992/...Weight-Balance