Jeje , is very simple, this works most on the SD and the venator, yust grab a fighter, and takeoff and land, takeoff and land, repeat this multiple times fast, you'll see your ship exit the hangar, but you'll still ba able to land and takeoff (you got to do it fast) when you want to land, yust land once, your ship will land on the outside of the cap ship, and you can exit your vehicle, you'll be able to walk on the outside of the capital ship, also, I have reached ships like the Aclamator, victory-2, CIS Frigate, try it out it's funny, I learned this trick while I was playing.

 

Edit: Please post if you did it.

I made it on the edge but how do you get ontop of the ship? Maybe someone could join me one time and i'll try jumping on someones wing. Cant believe there is gravity in space tsk tsk

Firstly: It's me (EJM) had to create another acount...

 

On Topic: It is very dificult to go to other ships, I'll try to bring more info on it (It's pretty complicated), about gravity... This is like a bug and of you try to jump in someone's wing, the spaceraft will take a lot of damage and will be very very dificult to move.

I have done it twice on a Republic Capital Ship, although I have not managed to get on to another ship or frigate. This may be easier if you download the Heros in Space Mod, and playing as a jedi, to use Force Jump toget to frigates.