Saint Marys Municipal (KOYM), Pennsylvania
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
St Marys Municipal Airport (KOYM) is a non-towered public-use field in north-central Pennsylvania, roughly 89 nautical miles from the nearest metro area and serving light business aviation traffic through a single paved runway. The field has no on-site customs service, and its 2025 traffic profile, sourced from FAA TFMSC data, reflects a modest tier-2 operation with activity spread unevenly across the year. Fuel available includes 100LL and Jet A, with attendant staffing limited to weekday daytime hours.
Runways
Saint Marys Municipal has one paved runway, 10/28, 4,300 ft long and 75 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Source: FAA Form 5010.
Fuel and airfield services
Saint Marys Municipal has Jet A and 100LL available on the field. Fueling is available from 8am to 4pm, daily, and the airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Saint Marys Municipal does not clear customs. The nearest port of entry is NY27, 62 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Saint Marys Municipal recorded 81 business aviation movements in 2025. Traffic peaks in August. Business aviation traffic at KOYM concentrates in the April-to-October window, with August and October showing the highest monthly counts recorded in 2025.
Business jet movements, FAA TFMSC count. Peak month August, 18 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Weather station is on the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Saint Marys Municipal has published operating constraints in two categories: runway notes and other notes.
MALS lighting for runway 28 is pilot-activated, PAPI is installed on both runway 10 and runway 28, and MIRL lighting on runway 10/28 is controlled via CTAF.
A 7-foot fence lies 200 feet north of the runway, extending from the runway edge to 200 feet out. A 15-foot public road lies within 0 to 200 feet of the runway and 225 feet to the left; the road obstruction is marked with lighted poles.
A 13-foot fence lies north of the runway from 0 to 176 feet out, 219 feet to the left. A 23-foot public road lies 222 feet to the right; the road obstruction is marked with lighted poles.
The PAPI is unusable beyond 5 degrees right of centerline.
The PAPI is unusable beyond 8 degrees right of centerline.
For clearance delivery, contact Cleveland ARTCC.
This is a cold temperature airport. Altitude correction is required at or below -36°C.
Source: FAA Chart Supplement.
Nearby airfields
Saint Marys Municipal has five airfields within 44 NM. The closest is Clearfield-Lawrence (KFIG), 22.17 NM south.
Source: Skystar calculation from official coordinates.
Skystar at KOYM
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$1,200.00 catering order at KOYM.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
What runway does KOYM offer for business aviation arrivals?
St Marys Municipal Airport (KOYM) has a single paved runway, 10/28, measuring 4,300 feet long and 75 feet wide with an asphalt surface. This is also the airport's maximum paved runway length, so operators should size aircraft performance planning around this one strip. There is no parallel or crosswind runway option at this field.
Is customs service available on-site at KOYM?
St Marys Municipal Airport (KOYM) does not have on-site customs service. The nearest customs-capable airport is NY27, located approximately 61.84 nautical miles away. Operators requiring customs clearance need to route through that facility rather than clearing directly at St Marys.
Are there approach obstacles to consider when flying into KOYM?
Yes, St Marys Municipal Airport (KOYM) has close-in obstructions on both runway ends. Fences up to 13 feet and public roads up to 23 feet sit within 176 to 225 feet of the runway on either side, and the road obstructions are marked with lighted poles. Pilots should also note the PAPI is unusable beyond 5 and 8 degrees right of centerline on the respective runway ends.
What are the staffing hours and fuel options at KOYM?
St Marys Municipal Airport (KOYM) is attended Monday through Friday from 0800 to 1600 local time. Fuel available includes 100LL and Jet A. Outside these attended hours, services follow the airport's published CTAF procedures, and pilots operating off-hours should plan fuel and services accordingly.