410 Ross River Airport XRR Ross River Small
411 Round Lake Airport ZRJ Round Lake Small
412 Rouyn Airport YUY Rouyn Medium
413 Sable Island Airport YSA Sable Island Small
414 Sachigo Lake Airport ZPB Sachigo Lake Small
415 Sachs Harbour Airport YSY Sachs Harbour Small
416 Saglek Airport YSV Saglek Small
417 Saint John Airport YSJ Saint John Medium
418 Salluit Airport YZG Salluit Small
419 Salmon Arm Airport YSN Salmon Arm Small
420 Sandspit Airport YZP Sandspit Medium
421 Sandy Lake Airport ZSJ Sandy Lake Small
422 Sanikiluaq Airport YSK Sanikiluaq Small