1
Runway
4
Frequencies
0
Procedures
16
NOTAMs
Quick Facts
ICAO
KOYM
FAA
OYM
Elevation
1,934 ft MSL
Runways
1
Frequencies
4
Tower
No
Fuel
100LL,A
Coordinates
41.412, -78.503
Airport Information
Facility Type
AIRPORT
Elevation
1,934 ft MSL
Control Tower
No
Fuel Types
100LL,A
ARTCC
CLEVELAND
Coordinates
41.4125, -78.5026
Ownership
Public
Hours of Operation
Current Weather
METAR KFIG 280054Z AUTO 00000KT 10SM OVC010 18/18 A3003 RMK AO2 CIG 008V012 SLP165 T01830178
Flight Category
MVFR
Wind
0° at 0 kt
Visibility
10+ SM
Temperature
18.3°C
Dewpoint
17.8°C
Altimeter
1017.00 inHg
Cloud Cover
OVC
Nearest weather from KFIG (22 NM away)
Observed 2026-06-28 00:54Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 10/28 | 4,300 ft | 75 ft | ASPH | MED |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| ATIS | 118.05 | AWOS 3 |
| CLD | 121.3 | ALTOONA RDO CLNC DEL |
| CNTR | 124.325 | CLEVELAND CNTR |
| UNIC | XXX.XXX | CTAF/UNICOM |
Active NOTAMs
Nearby Airports in Pennsylvania
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Pennsylvania airports
KOYM Operational Overview
Location & Facility
St Marys Municipal Airport (KOYM) is a publicly owned airport open to the public located in St Marys, Pennsylvania, United States. The field sits at an elevation of 1,934 feet above mean sea level (MSL) at coordinates 41.4125°N, 78.5026°W.
Runways
St Marys Municipal Airport has 1 runway. The longest runway (10/28) measures 4,300 feet by 75 feet with a asph surface.
Communications & Operations
St Marys Municipal Airport is a non-towered (pilot-controlled) field. ATIS is available on 118.05 MHz. A total of 4 communication frequencies are published for this facility.
Services & Fuel
St Marys Municipal Airport offers 100LL,A fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Current Conditions
The current flight category at St Marys Municipal Airport is MVFR (Marginal VFR — reduced visibility or ceiling). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations. There are currently 16 active NOTAMs for this facility.
Frequently Asked Questions
What is KOYM?
KOYM is the ICAO identifier for St Marys Municipal Airport, a public-use airport located in St Marys, Pennsylvania, United States.
How many runways does St Marys Municipal Airport have?
St Marys Municipal Airport (KOYM) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of KOYM?
The field elevation of St Marys Municipal Airport is 1,934 feet above mean sea level (MSL).
Is fuel available at KOYM?
Yes, St Marys Municipal Airport offers 100LL,A fuel.
What are the current weather conditions at KOYM?
The current flight category at St Marys Municipal Airport is MVFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KOYM?
There are currently 16 active NOTAMs for St Marys Municipal Airport. Sign up for AeroCopilot to read decoded NOTAM text and AI interpretations.
How do I access complete data for KOYM?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for St Marys Municipal Airport.
Where is St Marys Municipal Airport located?
St Marys Municipal Airport (KOYM) is located in St Marys, Pennsylvania, United States, at an elevation of 1,934 ft MSL.