My Falcon jumps around when I put the parking brake on... Does anyone know a solution to this???

It prevents FS from trying to be clever when it detects older aircraft, like Falcon 50. By default, FS9's behavior is to warn you about possible incompatible features arising from the use of older aircraft (even if it's perfectly safe!), and then it records your responses in this section so that it doesn't annoy you again. If you answered incorrectly (i.e. you told FS to disable the offending features), you will end up with no VC and no wheels - and it will record this fact by adding the "full=0" line to your FS9.CFG file.full and light correspond to the full and light variations of the Falcon 50. By setting both of these to 1, you tell FS9 not to annoy you with stupid warnings and enable the features anyway.Try it - it works!J

Thanks for that excellent description!