Greenwood/Wonder Lake, Illinois

10C Galt Fld

Galt Fld (10C) is a non-towered, public-use airport in Greenwood/Wonder Lake, Illinois, at 875 ft MSL. It has 2 runways: 09/27 (2,802 by 36 ft, asphalt), 18/36 (2,141 by 125 ft, turf). Published pattern altitude 800 ft AGL (about 1,675 ft MSL). CTAF 122.8.

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

Airport

At a glance

Identifiers
FAA 10C
Location
Greenwood/Wonder Lake, Illinois (Mc Henry County). 1 NM N of the city center
Elevation
875 ft MSL
Position
42.4029° N, 88.3751° W
Pattern altitude
800 ft AGL
Control tower
No, non-towered
Sectional chart
Chicago
Magnetic variation
2° W (2000)
Fuel
100LL
Ownership
Privately owned, open to the public
Attendance
Daily 0800-1700

2 runways

Runways

RunwayLength × widthSurfaceEdge lights
09/272,802 × 36 ftAsphalt, good conditionNon-standard
18/362,141 × 125 ftTurf, good conditionNot listed

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
09Left trafficNone listedNone listed415 ftNot listed
27Left trafficNone listedNone listedNone listedNot listed
18Left trafficNone listedNone listed213 ftNot listed
36Left trafficNone listedNone listed149 ftNot listed

VHF

Frequencies

CTAF
122.8
UNICOM
122.8
Approach / departure
120.55
"Chicago"

Before you go

Brief 10C in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Galt Fld, 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.