St Mary's

KSM · PASM · St Mary's, AK · Non-towered · Print kneeboard · Open on the map

Elevation
315 ft MSL
Longest runway
6,000 ft 17/35
Runways
2
Mag var
7E

Nearby now

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-09-18 · night begins 09:51 PM
EventLocal (AKDT)UTC
Morning civil twilight
Loggable night ends
07:42 AM15:42Z
Sunrise08:27 AM16:27Z
Sunset09:07 PM05:07Z
Evening civil twilight
Loggable night begins
09:51 PM05:51Z
Loggable night (§1.1)
09:51 PM → 07:42 AM
Night currency (§61.57)
10:07 PM → 07:27 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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Full reports: PASM METAR decoded

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

5,000 ftNMNxw 085°downwind 355°base 265°final 175°45° entry17253507

RWY 17LEFT traffic

Heading
175° mag · 182° true
Dimensions
6,000 × 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 355°) on the 45° at 1,300 ft MSL (≈1,000 AGL).

More details — RWY 17
Threshold elev
291 ft
Markings
none
Threshold crossing height
51 ft
TDZ elevation
306 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 / FAA LID
PASM / KSM
Coordinates
62.0608, -163.3018
Elevation
315 ft MSL
Magnetic variation
7E
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 07/25 - 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 07/25 - 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.

Match your site:
<iframe src="https://skyready.app/embed/airport?icao=PASM&theme=light" 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: PAAC Pilot Station (12 NM) · PAAU Nunam Iqua (51 NM) · 9AK2 Kako (private) (53 NM) · PAUK Alakanuk (54 NM)

About PASM

St Mary's (KSM · PASM) is an airport in St Mary's, AK, at 315 ft MSL. It has 2 runways, the longest 6,000 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 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 has 2 runways; the longest is 6,000 ft. See the Runways section for headings, surface, and lighting.

Where is PASM?

St Mary's is in St Mary's, AK, at an elevation of 315 ft MSL. Coordinates: 62.0608, -163.3018.

More about PASM

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.

Something here wrong or out of date? Report a data problem.