| St. Mary's Airport | |
| Iata: | KSM |
| Icao: | PASM |
| Faa: | KSM |
| Type: | Public |
| Operator: | Alaska DOT&PF |
| Location: | St. Mary's, Alaska |
| Elevation-F: | 314 |
| Elevation-M: | 96 |
| Coordinates: | 62.0608°N -163.3019°W |
| Pushpin Map: | USA Alaska |
| Pushpin Label: | KSM |
| R1-Number: | 17/35 |
| R1-Length-F: | 6,008 |
| R1-Length-M: | 1,831 |
| R1-Surface: | Gravel |
| R2-Number: | 6/24 |
| R2-Length-F: | 1,520 |
| R2-Length-M: | 463 |
| R2-Surface: | Gravel |
| Footnotes: | Source: Federal Aviation Administration[1] |
St. Mary's Airport [2] is a public airport located four miles (6 km) west of the central business district of St. Mary's, in the Kusilvak Census Area of the U.S. state of Alaska. This airport is publicly owned by the State of Alaska Department of Transportation and Public Facilities (DOT&PF) - Northern Region.
St. Mary's Airport covers an area of 3600acres and contains two gravel surfaced runways: 17/35 measuring 6,008 x 150 feet (1,831 x 46 m) and 6/24 measuring 1,520 x 60 feet (463 x 18 m).
Prior to its bankruptcy and cessation of all operations, Ravn Alaska served the airport from multiple locations.
| 1 | Anchorage, AK | 6,080 | Ravn Alaska | |
| 2 | Bethel, AK | 1,550 | Ravn Alaska | |
| 3 | Emmonak, AK | 1,200 | Ravn Alaska | |
| 4 | Pilot Station, AK | 790 | Ravn Alaska | |
| 5 | Kotlik, AK | 740 | Ravn Alaska | |
| 6 | Alakanuk, AK | 640 | Ravn Alaska | |
| 7 | Mountain Village, AK | 510 | Ravn Alaska | |
| 8 | Nunam Iqua/Sheldon Point, AK | 150 | Ravn Alaska |
