How i make this plane shoot from Y position like this one:
have a look at the ghost shooter tutorial, it explains the use of the bullet behavior; that should solve your problem (wiki link).
Develop games in your browser. Powerful, performant & highly capable.
Default angle points to the right --->
Make sure your sprites are pointing that way when you draw them. Then you just rotate them up and use the Spawn action when you shoot; spawned objects automatically inherit the object's angle.