Do airline pilots have to speak English?

Do airline pilots have to speak English?

Ian Pullin (Retired British Airways Pilot) gives expert video advice on: How much can a successful airline pilot earn?; Do you sleep on a very long flight?; What happens if a passenger becomes seriously ill in mid air? and more...

It's the universal language of air traffic control, and the relationship between pilots and air-traffic controllers. A lot of pilots in France speak French to their controllers, and the controllers speak French back to them, which we think is bad because you don't know exactly what is going on.