St. Mary's Airport (Alaska)

Not to be confused with St Mary's Airport, Isles of Scilly.

St. Mary's Airport (IATA: KSM, ICAO: PASM, FAA LID: KSM)^[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.^[1]

St. Mary's Airport
IATA: KSM ICAO: PASM FAA LID: KSM
Summary
Airport type	Public
Operator	Alaska DOT&PF
Location	St. Mary's, Alaska
Elevation AMSL	314 ft / 96 m
Coordinates	62°03′39″N 163°18′07″W
Map
KSM
Runways
Direction Length Surface ft m 17/35 6,008 1,831 Gravel 6/24 1,520 463 Gravel
Source: Federal Aviation Administration[1]

Facilities

St. Mary's Airport covers an area of 3,600 acres (1,500 ha) 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).^[1]

Airlines and destinations

Airlines	Destinations
Grant Aviation	Bethel, Mountain Village[3]
Ravn Alaska	Anchorage (suspended)[4]
Ryan Air	Bethel, Marshall, Mountain Village, Pilot Station[5]

Prior to its bankruptcy and cessation of all operations, Ravn Alaska served the airport from multiple locations.

Top destinations

Busiest domestic routes out of KSM
(April 2024 – March 2025) ^[6]

Rank	City	Passengers	Carriers
1	Bethel, AK	1,640	Grant, Ryan
2	Anchorage, AK	1,320	Ravn Alaska
3	Pilot Station, AK	90	Ryan
4	Mountain Village, AK	90	Ryan

Accidents

• On November 29, 2013, a Cessna 208 Caravan operated by Era Alaska crashed 1 mile SE of the airport because of nighttime weather conditions, pilot error, and loss of situational awareness. The pilot and 3 passengers were killed out of 10 on board.^[7]

See also

• List of airports in Alaska