Hi! Right now I am exploring some possibilities to reduce the size scale of some models, in this case flyers, I adjusted the size of the model in XSI and export a "micro-model" for this. Well, I adjusted the camera position, speed and other things but I have noticed that the model has an oscillating motion in an oval shape when fly and I do not know why this happens and I do not know if there are possibilities to control it, because the scale is model the movement is very jerky. Someone knows how to control this movement? Thanks for the help guys!

Would you mind posting a video of your issue?

http://yfrog.com/0pbattlefrontii2010090z

Is not the best video but here is.

What .odf properties have you looked at? Have you looked at any? It may be worth playing around with any of the following:
RollRate
PitchRate
CockpitTension

There may be others; those stand out in just a quick perusal of stock flyer .odfs.

I've tried with several codes, including these that you said.

I've also change the speed but also makes the movement. I noticed that when I put the MidSpeed to 0 (like gunships on BFI) disappears while not moving forwards or backwards.

I have some difficulties to understand that parameter must be modified to avoid this oscillation. Perhaps it is a movement by default on all the flyers, only the scale I'm working too noticeable.

The size of this model is similar to a gun in the game.