@subtrendy2 had a great post about working a Spaceship combat with Imperial assault, link to post here it has some great ideas. i decided to spend the day making a small encounter that can happen, an ambush of 4 TIES as a test. i have ruleset posted below, and some images. Hope it makes sense., give it a try, game turn over is pretty quick and hectic, with heroes taken turns at the same time can create some crazy moves.
Additional rules: