It’s hard to find the joy in air travel these days. Even if you do make it through check-in and security, and finally get on the plane, there’s always a chance you’ll get stuck on the runway.

The same color rules hold true for numbered signs; the numbers just mean that its a runway instead of a taxiway. Back on the plane, there are some hidden airplane features you didn’t know existed .

Maybe if you learn to decipher some runway airport signs, you’ll have something to keep you occupied next time you fly. Check out these 32 things your pilot won’t tell you to fill in some of ...