Coatesville, Pennsylvania

KMQS Chester County G O Carlson

Chester County G O Carlson (KMQS) is a non-towered, public-use airport in Coatesville, Pennsylvania, at 660.2 ft MSL. Its runway is 11/29 (5,400 by 100 ft, asphalt). CTAF 122.7.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
ICAO KMQS, FAA MQS
Location
Coatesville, Pennsylvania (Chester County). 2 NM W of the city center
Elevation
660.2 ft MSL
Position
39.9790° N, 75.8655° W
Control tower
No, non-towered
Sectional chart
Washington
Magnetic variation
11° W (1990)
Fuel
100LL, Jet A
Ownership
Publicly owned, open to the public
Attendance
Daily 0600-2200

1 runway

Runways

RunwayLength × widthSurfaceEdge lights
11/295,400 × 100 ftAsphalt, good conditionHigh intensity

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
11Not stated4-light PAPI, rightNone listedNone listedNot listed
29Left traffic4-light PAPI, leftILSNone listedNot listed

VHF

Frequencies

CTAF
122.7
Dusk-Dawn. Actvt Reil Rwy 11/29; Hirl Rwy 11/29 - Ctaf.
UNICOM
122.7
Clearance delivery
125.6
Approach / departure
124.35
"Philadelphia"

Weather station

AWOS-3 MQS
126.25

Before you go

Brief KMQS in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Chester County G O Carlson, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.