Originally Posted by
flyandive
I do believe an aircraft is a heavy if it is greater than 255,000 lbs MGTOW but since the 757-200 is exactly 255,000 lbs it is not a heavy. Go Figure.

The 757-300 is 272,500 lbs so it does qualify.
I was under the impression that it was 255K inclusive and higher... However, if that is the case, that may be why we don't hear it from the 752 drivers.