Open map01IS William E. Koenig Airport
Dow, Illinois, United States
Not for navigation. Data: OurAirports (public domain); FAA NASR (US Government public domain), updated Nov 8, 2026.
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Airport facts
- Ident
- 01IS
- Type
- Small airport
- Municipality
- Dow
- Region
- Illinois
- Country
- United States
- Elevation
- 670 ft (204 m)
- Coordinates
- 39.0162° N 90.3182° W
39°00′58″N 90°19′06″W - Towered
- No
- Chart Supplement
- Chart Supplement (opens in a new tab)2611 01IS
Runways
| Runway | Length × width | Surface | Lighted | Status |
|---|---|---|---|---|
| 09/27 | 1,300 × 100 ft | Turf | No | Open |
Frequencies
No frequencies in our data