I don't think so. I could be wrong about that, but I don't think so. English is the language of aviation we have to speak on the radio around the world, so you do have to speak English for the most part if you're a pilot or an air traffic controller.
In Quebec you can be an air traffic controller, and you can speak French on the frequency, which is wonderful. When I go in there, I'm one of the only.... Most people speak French, and I'm trying to, but I don't think it's a big issue.