You can find lots of blueprints at:
www.the-blueprints.com
Specifically, here is their ship section:
https://www.the-blueprints.com/index....eprints/ships/
EDIT:
I know you were asking for tutorials, but I wasn't sure if you needed aircraft image refs. Just apply the same principles in the link Camel gave you.
Last edited by severinianthony; 13-05-2007 at 05:01 PM.