St Mary's, Alaska
PASM St Mary's
St Mary's (PASM) is a non-towered, public-use airport in St Mary's, Alaska, at 314.8 ft MSL. It has 2 runways: 07/25 (1,520 by 60 ft, gravel), 17/35 (6,000 by 150 ft, gravel). CTAF 122.3.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO PASM, FAA KSM
- Location
- St Mary's, Alaska (Kusilvak County). 4 NM W of the city center
- Elevation
- 314.8 ft MSL
- Position
- 62.0608° N, 163.3018° W
- Control tower
- No, non-towered
- Sectional chart
- Bethel
- Magnetic variation
- 7° E (2030)
- Ownership
- Publicly owned, open to the public
- Attendance
- WINTER ALL 0700-1530; SUMMER MON-FRI 0700-1530
2 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 07/25 | 1,520 × 60 ft | Gravel, good condition | Medium intensity |
| 17/35 | 6,000 × 150 ft | Gravel, good condition | High intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 07 | Left traffic | None listed | None listed | None listed | Not listed |
| 25 | Left traffic | None listed | None listed | None listed | Not listed |
| 17 | Left traffic | 4-light PAPI, left | LOC/DME | None listed | Not listed |
| 35 | Left traffic | 4-light PAPI, left | None listed | 400 ft | Not listed |
VHF
Frequencies
- CTAF
- 122.3
- Actvt Reil Rwy 17 & 35; Papi Rwy 17 & 35; Hirl Rwy 17/35; Mirl Rwy 07/25 - Ctaf.
Weather station
- AWOS-3P KSM
- 128.7
Before you go
Brief PASM in Ascent EFB.
Current weather, NOTAMs and the airport diagram for St Mary's, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.