As for the tour ride, you need to rewrite the 'COURSE.xxx' notecard in the object.
Basically, each line is coordinates:
x y (z) (Station Name)
The coordinates of the passing point. If z is omitted, it becomes the land surface or water surface.
If Station name is written, it makes brief stop there. If not written, it is just a passing point.
COMMAND LINE:
Loop // At the end, the continuation starts from the beginning of the course.
Oneway // When the end is reached, the tour ends and the craft immediately returns to the starting point.
Detail is described in Japanese.
http://shino.pos.to/secondlife/blog/?viewDetailed=00005
Thanks.