St Mary's Airport

KSM · PASM · St Mary's, AK · Non-towered · Print kneeboard

Elevation
314 ft MSL
Longest runway
6,008 ft 17/35
Runways
2
Mag var
12E

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-03 · night begins 12:41 AM
EventLocal (AKDT)UTC
Morning civil twilight
Loggable night ends
05:16 AM13:16Z
Sunrise06:24 AM14:24Z
Sunset11:33 PM07:33Z
Evening civil twilight
Loggable night begins
12:41 AM08:41Z
Loggable night (§1.1)
12:41 AM → 05:16 AM
Night currency (§61.57)
12:33 AM → 05:24 AM

Plan a flight from PASM

Past 24 hours category · wind · ceiling · visibility trends

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Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

5,000 ftNMNxw 080°downwind 350°base 260°final 170°45° entry17243506

RWY 17LEFT traffic

Heading
170° mag · 182° true
Dimensions
6,008 × 150 ft
TPA
1,300 ft MSL (≈1,000 AGL) · standard
Surface
GRAVEL
Lights
4-light PAPI (left) (3°)
ILS
LOC/DME · CAT I · LOC 109.1 (SMA)
CTAF
122.3

Enter the left downwind (heading 350°) on the 45° at 1,300 ft MSL (≈1,000 AGL).

More details — RWY 17
Threshold elev
290 ft
Markings
none
Threshold crossing height
51 ft
TDZ elevation
305 ft
End lights
REIL

Condition: Good. Edge lights: High.

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for PASM → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the PASM kneeboard →

Comms & NavAids

Communication frequencies

Before taxi

ASOS/AWOS
128.7

Taxi & takeoff

CTAF
122.3

Also

Flight service
124.0 LOW

Source: FAA NASR (current 28-day cycle).

Instrument landing systems

RWY 17
RunwayILS
RWY 17LOC/DME · CAT I · LOC 109.1 (SMA)

Source: FAA NASR (current 28-day cycle).

Prefer one flat list? All PASM frequencies →

Charts & procedures

Airport
Approaches
Minimums

Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →

Airport info

From the field

Do you run PASM, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.

Airport information

ICAO / IATA
PASM / KSM
Coordinates
62.0605, -163.3020
Elevation
314 ft MSL
Magnetic variation
12E
Sectional chart
BETHEL
Airport use
Public
Control tower
No
Airspace
Class E · CLASS E SVC 0600-2359; OTHER TIMES CLASS G
Weather station
AWOS-3P · 128.7 · ☎ 907-438-2135
ARTCC
ANCHORAGE (ZAN)
Flight service (FSS)
KENAI · 121.3, 121.5, 122.65 · 1-800-WX-BRIEF
NOTAM facility
KSM
Attendance
WINTER ALL 0700-1530; SUMMER MON-FRI 0700-1530
Beacon
white-green (SS-SR)
Segmented circle
Yes
Wind indicator
yes
Airport phone
907-283-7211
Distance from city
4 W

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 under Sun & FAA night in the Weather section.

Services fuel · repairs · oxygen · attendance
Parking
tiedowns
Other services
Cargo
Ownership & management 2 contacts
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 · 5 notes

General

  • 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

Lighting

  • ACTVT REIL RWY 17 & 35; PAPI RWY 17 & 35; HIRL RWY 17/35; MIRL RWY 06/24 - CTAF.
Embed PASM weather on your site free widget for schools, clubs & FBOs

Live METAR, flight category, and favored runway for PASM — paste this into your website's HTML. It updates automatically and stays free.

<iframe src="https://skyready.app/embed/airport?icao=PASM" title="PASM live weather — SkyReady" width="100%" height="300" style="border:1px solid #dce5f2;border-radius:12px;max-width:420px" loading="lazy"></iframe>
<p style="font:14px system-ui;margin:6px 0 0"><a href="https://skyready.app/airport/pasm">PASM live weather &amp; runways by SkyReady</a></p>

More widgets — crosswind, E6B, density altitude — on the embed page.

Nearby airports

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Also nearby: SXP Nunam Iqua Airport (51 NM) · 9AK2 Kako Airport (private) (53 NM) · PAUK Alakanuk Airport (54 NM)

About PASM

St Mary's Airport (KSM · PASM) is an airport in St Mary's, AK, at 314 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 in the Comms & NavAids section.

What is the longest runway at PASM?

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

Where is PASM?

St Mary's Airport is in St Mary's, AK, at an elevation of 314 ft MSL. Coordinates: 62.0605, -163.3020.

Fly out of PASM often?

Save PASM as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

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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.