Originally Posted by Mabuk dan gila

I'm fairly certain I have flown through Cuban airspace on CO93 before. Wouldn't that have involved being routed by Cuban air traffic controllers and presumably some fee paid by Continental to the Cuban government for using their airspace? How would paying fees to use Cuban airspace and air traffic control facilities be that much different than paying fees for using airport transit facilities? And if it is a problem, how does CO get away with using Cuban airspace?