CSV9
St-Mathias Seaplane Base
Canada
110 airfields within ~100 mi · Eastern North America →
Add what you know
Rating, a few lines, photos — one screen
Elevation25 ft
Divert CYHU 7 nm · 2,390 m asphalt · CSU3 12 nm · 1,165 m composite · CYJN 13 nm · 1,219 m asphalt
Reference data from OurAirports.com · always verify against current official charts.