Yeah ditto, a 1% plane is a plane that is designed to fly within 1% of the characteristics of a 'real' aircraft, using a process that can also be competition certified for multi-player use, to ensure a level playing field?

we wish !!
you can get some of these from
http://www.avhistory.org/ they seem to be concentrating on CFS3 so not to many CFS2 planes, their big files too around 7-8meg.
I was dubious at first given the way the AI's handle in combat, but you can stall turn in behind them with a bit of planning, there's quite a few add on planes designed using this concept, you've just got to find them.
Happ