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St Mary's Airport

KSM · PASM · St Mary's, AK · 312 ft elevation · var 12E · Non-towered

Airport information

ICAO / IATA
PASM / KSM
Coordinates
62.0605, -163.3020
Elevation
312 ft MSL
Magnetic variation
12E
Sectional chart
BETHEL
Airport use
Public
Control tower
No
ARTCC
ANCHORAGE (ZAN)
Flight service (FSS)
KENAI
NOTAM facility
KSM
Attendance
WINTER ALL 0700-1530; SUMMER MON-FRI 0700-1530
Beacon
white-green (SS-SR)
Segmented circle
Yes
Wind indicator
yes
Distance from city
4 W

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

EventLocal (AKDT)UTC
Morning civil twilight
Loggable night ends
n/an/a
Sunrise05:01 AM13:01Z
Sunset12:48 AM08:48Z
Evening civil twilight
Loggable night begins
n/an/a
Loggable night (§1.1)
n/a → n/a
Night currency (§61.57)
01:48 AM → 04:01 AM

Plan a flight from PASM

Night operations

Airport lighting
SEE RMK
Rotating beacon
white-green · SS-SR
Pilot-controlled lighting
ACTVT REIL RWY 17 & 35; PAPI RWY 17 & 35; HIRL RWY 17/35; MIRL RWY 06/24 - CTAF. on 122.3Chart Supplement ↗

Runway lighting aids — 17: 4-light PAPI (left) · 35: 4-light PAPI (left).

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.

Traffic pattern

06TPANSEW
LEFT traffic
Landing
Rwy 06 · 065°
Pattern
left (turns left)
TPA
1,300 ft MSL (≈1,000 AGL)
CTAF
122.3

Enter the left downwind for Rwy 06 at 1,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 06/24

1,520 ft × 60 ft · GRAVEL (Good)

Edge lights: Med.

06
Heading
065° mag · 77° true
Markings
none
Traffic pattern
Left
Approach obstacle
Hill, 145 ft, 3,480 ft from threshold, 0 ft B of centerline — 24:1 slope to clear
24
Heading
245° mag · 257° true
Markings
none
Traffic pattern
Left
Approach obstacle
Hill, 100 ft, 5,000 ft from threshold, 0 ft B of centerline — 50:1 slope to clear

Runway 17/35

6,008 ft × 150 ft · GRAVEL (Good)

Edge lights: High.

17
Heading
170° mag · 182° true
Markings
none
VGSI
4-light PAPI (left) (3°)
Instrument landing
LOC/DME · CAT I · LOC 109.1 (SMA)
Traffic pattern
Left
35
Heading
350° mag · 2° true
Markings
none
VGSI
4-light PAPI (left) (3°)
Traffic pattern
Left
ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Communication frequencies

ServiceFrequencyNotes
AWOS128.7AWOS 3
CNTR124ANCHORAGE CNTR
CTAF122.3
FSS122.35KENAI RDO
MISC23TWEB

Procedures at a glance

Lowest mins: RNAV (GPS) · vertical guidance Takeoff mins / ODP ↗ Non-std alternate mins ↗

Chart Supplement FAA A/FD

Open PDF ↗
Preview Chart Supplement Open the Chart Supplement PDF

Services

Parking
tiedowns
Other services
Cargo

Ownership & management

Owner
ALASKA DOT&PF NORTHERN REGION
2301 PEGER ROAD, FAIRBANKS, AK
907-443-3411
Manager
ERIK WEINGARTH
PO BOX 135, ST MARY'S, AK
907-438-2416

Remarks FAA

  • SNOW & ICE REMOVAL & HAZ RPRTG DURG DURING DUTY HR; AFT HR PPR IN WRITING - AMGR.
  • PSBL RWY DRIFTING SNOW & POOR BRAKING; COND RPRT DALGT OPS ONLY.
  • CLSD TO OPS RQRG PAX SCREENING.
  • WX CAMERA AVBL ON INTERNET AT HTTPS://WEATHERCAMS.FAA.GOV
  • ACTVT REIL RWY 17 & 35; PAPI RWY 17 & 35; HIRL RWY 17/35; MIRL RWY 06/24 - CTAF.

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open PASM in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

About PASM

St Mary's Airport (KSM · PASM) is an airport in St Mary's, AK, at 312 ft MSL. It has 2 runways, the longest 6,008 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for PASM, refreshed from the Aviation Weather Center and FAA NASR.

Does PASM have a control tower?

No. St Mary's Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.

What is the longest runway at PASM?

St Mary's Airport has 2 runways; the longest is 6,008 ft. See the Runways tab for headings, surface, and lighting.

Where is PASM?

St Mary's Airport is in St Mary's, AK, at an elevation of 312 ft MSL. Coordinates: 62.0605, -163.3020.

Fly out of PASM often?

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