Why is Calgary International Airport called YYC?

Related questions

1. How much does it cost to drive from Edmonton to Toronto?
2. How far is Toronto to Banff?
3. Is Edmonton close to Toronto?
4. Is Calgary in Vancouver?
5. How many hours drive from Toronto to Alberta?
6. How long is the train ride from Toronto to Vancouver?
7. What is the smallest city in Canada?
8. Is Vancouver East or West Canada?
9. Is Banff National Park near Toronto?
10. Is Toronto in Calgary?

Tags

1. #product
2. #force
3. #because
4. #region
5. #billion
6. #between
7. #calgary
8. #annually
9. #mutual
10. #serves
11. #providing
12. #known
13. #contributing
14. #major
15. #affection
16. #airport
17. #domestic
18. #economic
19. #gross