St Marys Municipal

OYM · KOYM · St Marys, PA · Non-towered · Print kneeboard · Open on the map

Elevation

1,934 ft MSL

Longest runway

4,300 ft 10/28

Runway

Mag var

11W

AWOS 118.05 CTAF 122.7

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 07:46 PM

Event	Local (EDT)	UTC
Morning civil twilight Loggable night ends	06:29 AM	10:29Z
Sunrise	06:57 AM	10:57Z
Sunset	07:19 PM	23:19Z
Evening civil twilight Loggable night begins	07:46 PM	23:46Z

Loggable night (§1.1)

07:46 PM → 06:29 AM

Night currency (§61.57)

08:19 PM → 05:57 AM

Plan a flight from KOYM

Destination

TAS (kt)Burn (gph)Reserve (hr)Cruise (ft)Max alt (ft)Wind from (°)Wind (kt)

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: KOYM METAR decoded

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

RWY 10LEFT traffic

Heading: 101° mag · 090° true
Dimensions: 4,300 × 75 ft
TPA: 2,900 ft MSL (≈1,000 AGL) · standard
Surface: Asphalt
Lights: 4-light PAPI (left) (3°)
CTAF: 122.7

Enter the left downwind (heading 281°) on the 45° at 2,900 ft MSL (≈1,000 AGL).

More details — RWY 10

Threshold elev: 1,902 ft
Markings: nonprecision
Approach obstacle: Trees, 142 ft, 3,684 ft from threshold, 340 ft L of centerline — 24:1 slope to clear
Threshold crossing height: 41 ft
TDZ elevation: 1,909 ft

Condition: Good. Edge lights: Med. Surface: Grooved. Weight bearing: Single wheel 33k.

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

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

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

Runway	Length	Your margin
10/28	4,300 ft

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

Comms & NavAids

Communication frequencies

Before taxi

ASOS/AWOS

118.05

Taxi & takeoff

CTAF

122.7

UNICOM

122.7

Also

Flight service

126.725 LOW

By procedure & sector (1 frequencies)

Frequency	Used by
291.65	DUBOIS RCAG (LOW)

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

Instrument landing systems

RWY 28

Runway	ILS
RWY 28	LOC/DME · LOC 108.9 (OYM)

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

Nearby navigation aids

ETG 116.00 · SLT 113.90 · PSB 115.50

NavAid	Type	Freq · ch	Range	Radial / Dist magnetic
ETG · Keating	VORTAC	116.00 · 107X	High	r316° / 20.1 NM
SLT · Slate Run	VORTAC	113.90 · 86X	High	r264° / 24.7 NM
PSB · Philipsburg	VORTAC	115.50 · 102X	High	r332° / 37.7 NM

Prefer one flat list? All KOYM frequencies →

Charts & procedures

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

Airport info

From the field

Do you run KOYM, 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: KOYM / OYM
Coordinates: 41.4125, -78.5026
Elevation: 1,934 ft MSL
Magnetic variation: 11W
Sectional chart: DETROIT
Airport use: Public
Control tower: No
Weather station: AWOS-3P · 118.05 · ☎ 814-834-9416
ARTCC: CLEVELAND (ZOB)
Flight service (FSS): ALTOONA · 1-800-WX-BRIEF
NOTAM facility: AOO
Attendance: MON-FRI 0800-1600
Beacon: white-green (SS-SR)
Segmented circle: Yes
Wind indicator: yes
Activated: 1946/10
Distance from city: 3 SE

Night operations

Airport lighting: SEE RMK
Rotating beacon: white-green · SS-SR
Pilot-controlled lighting: ACTVT MALS RWY 28; PAPI RWYS 10 & 28; MIRL RWY 10/28 - CTAF. on 122.7 — Chart Supplement ↗

Runway lighting aids — 10: 4-light PAPI (left) · 28: 4-light PAPI (left) + MALS.

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

Fuel available: 100LL, Jet A
Bottled oxygen: NONE
Bulk oxygen: NONE
Airframe service: MAJOR
Powerplant service: MAJOR
Parking: tiedowns
Other services: Instruction

Ownership & management 2 contacts

Owner

CITY OF ST. MARYS

159 CESSNA ROAD, ST MARYS, PA

814-834-4671

Manager

VINCE CAGGIANO

159 CESSNA RD, ST MARYS, PA

814-834-4671

Remarks FAA · 7 notes

General

FOR CD CTC CLEVELAND ARTCC AT 440-774-0234.
COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -36C.

Runways

PAPI UNUSBL BYD 5 DEGS RIGHT OF CNTRLN.
PAPI UNUSBL BYD 8 DEGS RIGHT OF CNTRLN.

Lighting

ACTVT MALS RWY 28; PAPI RWYS 10 & 28; MIRL RWY 10/28 - CTAF.

Obstructions

+7 FT FENCE 200 FT N OF RY 0-200 FT. +15 FT PUBLIC ROAD 0-200 FT & 225 FT L. PUBLIC ROAD OBSTN MKD BY LIGHTED POLES.
+13 FT FENCE N OF RY FM 0-176 FT, 219 FT LEFT. +23 FT PUBLIC ROAD, 222 FT RIGHT. PUBLIC ROAD OBSTN MKD BY LIGHTED POLES.

Embed KOYM weather on your site free widget for schools, clubs & FBOs

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

Match your site: Light Dark Auto

<iframe src="https://skyready.app/embed/airport?icao=KOYM&theme=light" title="KOYM 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/koym">KOYM 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: 0PS4 Old Orchard (private) (24 NM) · 7PA4 Null Farms (private) (28 NM) · 1N3 Albert (29 NM)

Destination

On the field

THE NEW WEST WIND RESTAURANT American Restaurant

Courtesy car? Check airportcourtesycars.com

Places powered by Google. Only what is on the airport itself, for now. Open a place for hours, reviews and directions.

About KOYM

St Marys Municipal (OYM · KOYM) is an airport in St Marys, PA, at 1,934 ft MSL. It has 1 runway, the longest 4,300 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KOYM, refreshed from the Aviation Weather Center and FAA NASR.

Does KOYM have a control tower?

No. St Marys Municipal is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at KOYM?

St Marys Municipal has 1 runway; the longest is 4,300 ft. See the Runways section for headings, surface, and lighting.

Where is KOYM?

St Marys Municipal is in St Marys, PA, at an elevation of 1,934 ft MSL. Coordinates: 41.4125, -78.5026.

More about KOYM

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 KOYM 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.