There is a folder in Missions that is titled something like "Taxing aircraft"
A quick guide.
In the options menu, there is the old take off a option for the way point,
one page to the right there are options for take off, that include taxi to take off, and pairs. Select taxi to take off.
and place your way points from spawn point to end of runway, (still in "taxi" mode)
When your plane is at spot where it ready to take off, select normal in the Taxi options.
Then place another way point not to far up the run way(this should be a norm fly point).
as far as getting into a stationary plane and flying it, there is a Spawn point selection option on the page where the plane is.
Hope this helps.