| Saint-Mathias Water Aerodrome | |
| Tc: | CSV9 |
| Type: | Public |
| Operator: | Aviation B. L. Inc |
| Summer: | EDT |
| Elevation-F: | 25 |
| Coordinates: | 45.5028°N -73.2522°W |
| Pushpin Map: | Canada Quebec |
| Pushpin Label: | CSV9 |
| Pushpin Map Caption: | Location in Quebec |
| R1-Number: | n/a |
| R1-Length-F: | n/a |
| R1-Length-M: | n/a |
| R1-Surface: | Water |
| Footnotes: | Source: Water Aerodrome Supplement |
Saint-Mathias Water Aerodrome is located 1NM north of Saint-Mathias-sur-Richelieu on the Richelieu River, Quebec, Canada.