Mayday: Air Disaster, which is called Air Disasters in the States where it plays on the Smithsonian Channel, launched in 2003 and with more than 250 episodes is one of the longest-running Canadian ...

You've heard it before in plenty of TV shows and movies. A plane is plummeting to the ground or it loses engine power and the pilot says, "Mayday! Mayday! Mayday!" and air traffic control (ATC ...