Originally Posted by psychephylax
First four and you risk being sent to the back because the take-off weight is not properly distributed. Anything after 11...Well, you sit alllll the way in the back.
This is a key point. About 50% of the time on my routes, they ask people to move, and they end up WAY in the back. So, 1-4 are undesirable for that pragmatic reason.
albatross