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
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 09/27 | 2,802 × 36 ft | Asphalt, good condition | Non-standard |
| 18/36 | 2,141 × 125 ft | Turf, good condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 09 | Left traffic | None listed | None listed | 415 ft | Not listed |
| 27 | Left traffic | None listed | None listed | None listed | Not listed |
| 18 | Left traffic | None listed | None listed | 213 ft | Not listed |
| 36 | Left traffic | None listed | None listed | 149 ft | Not 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.
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.