Airports / Alaska / KSM
St Mary's Airport
PASM / KSMSt Mary's, AlaskaELEV 312 FT
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
11 nm
To the nearest alternate
Mountain Village Airport (MOU) — 3 fields within 50 nm.
Overview
St Mary's Airport (PASM / KSM) sits in St Mary's, Alaska, where it functions as a general aviation field. Field elevation is 312 feet above sea level. Scheduled carriers operate here, and the field also sees regular private and charter activity.
While no charter operators list KSM as their home base, the field is reachable for repositioned charter aircraft from nearby bases. The closest alternate fields are Mountain Village Airport (MOU, 11 nm), Pilot Station Airport (PQS, 12 nm), and Marshall Don Hunter Sr Airport (MLL, 38 nm).
Trip costs from KSM are driven by the aircraft category flown and how far it must reposition. Browse operators flying from the area or estimate a trip cost from KSM to plan your flight.
Field capability
ICAO
PASM
IATA
KSM
FAA / Local
KSM
Elevation
312 ft
Coordinates
62.0605° N · 163.3020° W
Airspace
E · EchoClass E — EchoControlled airspace reaches the surface for instrument approaches, but there is no control tower on the field.Source: FAA NASR class airspace
Size
Small
Scheduled svc
Yes
Elevation vs AK fields
state range 2–3,318 ft
At 312 ft, KSM sits higher than 70% of the 285 Alaska fields on the register.
Access & alternates
Closest alternate fields by great-circle distance — every listing links to its own field brief.
- 11nmMOUMountain Village AirportMountain Village
- 12nmPQSPilot Station AirportPilot Station
- 38nmMLLMarshall Don Hunter Sr AirportMarshall
- 51nmSXPNunam Iqua AirportNunam Iqua
- 54nmAUKAlakanuk AirportAlakanuk
- 55nmEMKEmmonak AirportEmmonak
Location
Open the full mapPASM · St Mary's Airport · St Mary's, AK
From the ramp
Google Places photography of St Mary's Airport — tap any frame to view full-screen, then cycle with the arrows or your keyboard.