Multiple Animation

Hey there, I have a problem.

I'm working on a Multiplayer Shooter with Airplanes.

So you can move on all axis, but I need many animations ( turn(left, right), elevate( up , down), yaw( left right), idle....)

so how do I play 2 animations at once? For example you want to fly up and turn at once, or you fly up and yaw right. The online solution I know would be to make an animation for each possible cases, which would be a lot.

2)By the way, if you know any error/s that could occur with animations in network , please tell me.

if you are just rotating the airplanes then set the rotation rather than using animations. if you have to use animations check out additive animations here: http://unity3d.com/support/documentation/Manual/Animation%20Scripting.html