English abbreviations from yws to yyw
- YWS (Whistler/Green Lake Water Aerodrome (TC: CAE5))
- YWT (Your World Today - CNN News)
- YWTO (Youth World Travel Organization)
- YWV (Wainwright Aerodrome)
- YWW (Youth Workers Workshop)
- YWY (Wrigley Airport)
- YXC (Cranbrook/Canadian Rockies International Airport)
- YXE (Saskatoon John G. Diefenbaker International Airport)
- YXF (Snake River Airport)
- YXH (Medicine Hat Airport)
- YXJ (Fort St. John Airport)
- YXK (Rimouski Airport)
- YXL (Sioux Lookout Airport)
- YXN (Whale Cove Airport)
- YXP (Pangnirtung Airport)
- YXQ (Beaver Creek Airport)
- YXR (Earlton - Timiskaming Regional Airport)
- YXS (Prince George Airport)
- YXT (Northwest Regional Airport)
- YXU (London International Airport)
- YXX (Abbotsford International Airport)
- YXY (Erik Nielsen Whitehorse International Airport)
- YXZ (Wawa Airport)
- YY (Two-digit year date)
- YYA (Big Bay Yacht Club Airport)
- YYB (North Bay/Jack Garland Airport)
- YYC (Calgary International Airport)
- YYD (Smithers Airport)
- YYDC (Ypsilanti Youth Drop-in Center)
- YYE (Fort Nelson Airport)
- YYF (Penticton Airport)
- YYG (Charlottetown Airport)
- YYH (YuYu Hakusho)
- YYI (Rivers Airport)
- YYJ (Victoria International Airport)
- YYL (Lynn Lake Airport)
- YYM (Cowley Airport)
- YYN (Swift Current Airport)
- YYQ (Churchill Airport)
- YYR (CFB Goose Bay / Goose Bay Airport)
- YYT (St. John's International Airport)
- YYU (Kapuskasing Airport)
- YYW (Armstrong Airport)