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St Marys Municipal Airport
OYM · KOYM · STQ · St Marys, PA · 1,934 ft elevation · var 11W · Towered
Airport information
- ICAO / IATA
- KOYM / STQ
- Coordinates
- 41.4125, -78.5026
- Elevation
- 1,934 ft MSL
- Magnetic variation
- 11W
- Sectional chart
- DETROIT
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- CLEVELAND (ZOB)
- Flight service (FSS)
- ALTOONA
- 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
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:06 AM | 09:06Z |
| Sunrise | 05:40 AM | 09:40Z |
| Sunset | 08:51 PM | 00:51Z |
| Evening civil twilight Loggable night begins | 09:25 PM | 01:25Z |
Loggable night (§1.1)
09:25 PM → 05:06 AM
Night currency (§61.57)
09:51 PM → 04:40 AM
Plan a flight from KOYM
Runway 10/28
4,300 ft × 75 ft · Asphalt (Good) 10
- Heading
- 101° mag · 90° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
28
- Heading
- 281° mag · 270° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Approach lights
- MALS
- Instrument approach
- LOC/DME
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| AWOS | 118.05 | AWOS 3 |
| CLD | 121.3 | ALTOONA RDO CLNC DEL |
| CNTR | 124.325 | CLEVELAND CNTR |
| UNIC | 122.7 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ETG · Keating | VORTAC | 116.00 | r316° / 20.1 NM |
| BFD · Bradford | VOR-DME | 116.60 | r174° / 23.1 NM |
| SLT · Slate Run | VORTAC | 113.90 | r264° / 24.7 NM |
| PSB · Philipsburg | VORTAC | 115.50 | r332° / 37.7 NM |
Approaches
- RNAV (GPS) RWY 10 ↗ · amdt 1D
- RNAV (GPS) RWY 28 ↗ · amdt 1F
- LOC RWY 28 ↗ · amdt 4E
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns
- Other services
- Instruction
Ownership & management
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
- FOR CD CTC CLEVELAND ARTCC AT 440-774-0234.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -36C.
- ACTVT MALS RWY 28; PAPI RWYS 10 & 28; MIRL RWY 10/28 - CTAF.
- +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.
- PAPI UNUSBL BYD 5 DEGS RIGHT OF CNTRLN.
- PAPI UNUSBL BYD 8 DEGS RIGHT OF CNTRLN.
Nearby airports
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.