| St. Marys Municipal Airport KOYM OYM (St Marys, PA) Class G: untowered Elevation: 1934
Chart Supplement (pdf version) ST MARYS MUNI
(OYM)(KOYM)
1934 B NOTAM FILE AOO
RWY 10–28: H4300X75 (Grooved Asphalt) S–33 MIRL 0.7% up E
3 SE UTC–5(–4DT) N41º24.75´ W78º30.16´ SERVICE: S4 FUEL 100LL, JET A
LIGHTING ACTIVATE MALS Runway 28; PAPI
Runways 10 and 28; MIRL Runway 10–28—CTAF. PAPI Runway 10 unusable beyond
5º right of centerline. Runway 28 PAPI unusable beyond 8º right of centerline.
AIRPORT REMARKS: Attended Monday–Friday 1300–2200Z‡. Cold temperature airport. Altitude correction required at or below –36C. AIRPORT MANAGER: 814-834-4671 WEATHER DATA SOURCES: AWOS–3P 118.05 (814) 834–9416. COMMUNICATIONS: CTAF/UNICOM 122.7 RCO 122.4 (ALTOONA RADIO) ® CLEVELAND CENTER APPROACH/DEPARTURE CONTROL 126.725 CLEARANCE DELIVERY 122.4 (ALTOONA RADIO) CLEARANCE DELIVERY PHONE: For clearance delivery contact Cleveland ARTCC at 440-774-0234.
RADIO AIDS TO NAVIGATION: NOTAM FILE AOO. SLATE RUN (H) (H) VORTACW 113.9
SLT Chan. 86 N41º30.77´
W77º58.21´
264º 24.8 NM to field. 2310/8W.
KEATING (H) (H) VORTACW 116.0
ETG Chan. 107 N41º12.90´
W78º08.57´
316º 20.1 NM to field. 2250/10W.
LOC/DME 108.9 I–OYM Chan. 26 Runway 28. Unmonitored indefinite.
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Database updated: 2026/03/19