Exits are to your left and right, as well as to your rear. Unfortunately, the airlocks are rather unreliable, and the teleporter only works inbound.
In case a fight breaks out, there are flamethrowers under every seat, however, due to budget cuts, they are only filled with water. You could try some of the projectile weapons in the weapons closet, but most of them are broken and are more effective as bludgeons. The Plasma Rifles are in their own closet, and only

olition , an admin, God, or the hyper-intelligent shade of the color blue can open them.
In case of a water landing, you can and probably will be used as a floatation device. If you happen to be exploring the ventilation shafts for some reason (most likely because you are looking for a campaign you haven't played yet), and you come across a five-legged creature with multiple glowing red eyes, you've found Carl, our sometime resident Shivan. Give him your lunch and back away slowly. If he's not hungry, you might be alright. If he is hungry, and he's in a good mood, then at least your death will be quick and relatively painless. The SCP is all that is good.
Karajorma's FreeSpace FAQ and the FSWiki are your friends. Mention efF esS thr33 at your own peril. And, however good it might seem, don't take n00bs' advice*, and don't efff with Goober.
*well, if you must, at least have a huge serving of sodium chloride along with it!