Air Canada ran their Tango division for a short while. It was a discount airline with fixed fares that has since disappeared into the Air Canada brand. It now only exists as a fare structure. It had a nice livery though.
*Airlines 101* (See the Set Airliners 101)
Name: (AC) ex-North America
Based in: Montreal, Quebec, Canada
Fleet: A319, 737
Hubs: ex-Toronto, ex-Montreal, ex-Vancouver
Alliance Membership: ex-Star Alliance
Type: AC Tango was a discount division developed by Air Canada to compete with Canada's discount carriers of the moment.
Note: The Tango branding was eliminated in 2004 and turned into a fare structure within Air Canada which still exists today.