My Rating: 5/10
Unfortunately, the earlier pictures and information made the carrier look better than it is - well, in my honest opinion, anyway.
Just like I thought - the textures aren't very good. Of course, that can't be blamed on you since I know you really aren't big of a graphics designer. The carrier is nicely modeled, and is beyond any vehicle I've seen, however, using commands to mount to it can get repetitive after a while. Your player can randomly get stuck going up the stairs sometimes, the carrier doesn't steer very good (common for your watercraft).
As far as landing planes on it goes, the carrier isn't wide enough to land/takeoff or park most of the plane add-ons out there. Of course, this probably couldn't be helped as it's too big as it is. You warn people not to land/takeoff or walk up the stairs when the carrier is at an angle, but unfortunately enough, if the carrier gets stuck at an angle, there is no way to set it straight without using the gravity gun, but like we all know, the gravity gun can be hard to control, especially for big things like this.
I'm not saying this is a failure, though. It has its uses, the turret is pretty sweet, and it's a pretty reliable vehicle if you learn how to work it properly. I know it probably can't be improved very much further, but I applaud how skilled you are and how you could sit through the hours of frustration to script this as good as you could have.
tl;dr: This isn't an absolute must-have, but I would recommend it to anyone who would enjoy this sort of thing.
Good luck in whatever you're going to pursue next.