St Mary's Airport
Daylight today(Aug 30, 2026, local time)
About 14h 38m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About St Mary's Airport
St. Mary's Airport 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.
Summary from Wikipedia licensed under CC BY-SA.
St Mary's Airport has no reporting station; showing the nearest: PACZ.
Live weather
PACZNOTAMs
PACZReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 17 / 35 | 5,997 ft / 1,828 m | 150 ft | Gvl | Lighted | Open |
| 07 / 25 | 1,520 ft / 463 m | 60 ft | Gvl | Lighted | Open |
Radio frequencies (5)
| Type | Description | Frequency |
|---|---|---|
| AWOS | AWOS 3 | 128.700 MHz |
| CNTR | ANCHORAGE CNTR | 124.000 MHz |
| CTAF | CTAF | 122.300 MHz |
| FSS | KENAI RDO | 122.350 MHz |
| MISC | TWEB | 23.000 MHz |
Navaids(1)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Instrument approaches (3)
Takeoff & alternate minimums (2)
Showing 5 of 5 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| ST MARY'S CLASS E2 | Class E | Controlled | GND | 17999 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: S (from about 180°), on 16% of observations, averaging 17 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 24% | -2,095 ft | |
| Feb | 21% | -1,896 ft | |
| Mar | 20% | -2,004 ft | |
| Apr | 29% | -1,636 ft | |
| May | 33% | -1,008 ft | |
| Jun | 34% | -464 ft | |
| Jul | 19% | -189 ft | |
| Aug | 15% | -110 ft | |
| Sep | 22% | -272 ft | |
| Oct | 31% | -850 ft | |
| Nov | 27% | -1,274 ft | |
| Dec | 27% | -1,588 ft |
VFR MVFR IFR LIFR· density altitude ranges ~-2,095–-110 ft through the year· Source: NWS/IEM ASOS archive.
Nearby airports
Great-circle distance and true bearing from St Mary's Airport.
Frequently asked questions
What is the ICAO code for St Mary's Airport?
The ICAO code for St Mary's Airport is PASM, and its IATA code is KSM.
Where is St Mary's Airport located?
St Mary's Airport is small airport located in St Mary's, United States, at an elevation of 312 ft (95 m).
How many runways does St Mary's Airport have?
St Mary's Airport has 2 runways, the longest being 5,997 ft / 1,828 m.
Which airlines fly to St Mary's Airport?
Airlines historically serving St Mary's Airport include Alaska Airlines, Era Alaska (based on OpenFlights route data, which may be out of date).
How many destinations are served from St Mary's Airport?
Historical data lists 4 nonstop destinations from St Mary's Airport. Always check current schedules.
What time zone is St Mary's Airport in?
St Mary's Airport is in the America/Nome time zone (UTC-08:00).
What is the magnetic variation at St Mary's Airport?
The magnetic variation (declination) at St Mary's Airport is approximately 8.4° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near St Mary's Airport?
The nearest airport to St Mary's Airport is Mountain Village Airport (MOU), about 10.9 nm to the w, followed by Pilot Station Airport and Marshall Don Hunter Sr Airport.
Is the information on this page suitable for flight planning?
No. St Mary's Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.