>Despite the jokes above, This is a serious issue. I know>that when I slewed the Posky 747SP, then turned slew off...the>airplane would instantly accelerate and crash into the nearest>object. Something I hadnt seen in a addon airplane in quite>awhile. Having said that, maybe its something else. In any>case, I found it to be unstable on my PC and a bit heavy on>the FPS as well.>>I dont fly heavy commercial airliners a lot, so I deleted this>posky airplane from my PC. No time to deal with these>problems, regardless of cause.>>Eric>>>Make sure before you turn the slew off you are firmly on the ground by pressing F1.Bill

You might have a look at aircraft container manager shareware.http://www.aircraftmanager.com/the unregistered version won't allow saving edits, but you can take a look at the positioning of static CG and pitch, contact points, etc visually.scott s..