423 Sans Souci Airport YSI Sans Souci Small
424 Sarnia Airport YZR Sarnia Medium
425 Saskatoon Airport YXE Saskatoon Medium
426 Sault Ste Marie Airport YAM Sault Ste Marie Medium
427 Schefferville Airport YKL Schefferville Small
428 Seal Cove Airport ZSW Prince Rupert Small
429 Seaplane Base YTP Tofino Small
430 Sechelt Airport YHS Sechelt Small
431 Sept-Iles Airport YZV Sept-Iles Medium
432 Shamattawa Airport ZTM Shamattawa Small
433 Shearwater Airport YAW Halifax Small
434 Shearwater Airport YSX Shearwater Small
435 Sherbrooke Airport YSC Sherbrooke Small