SearchSmall airport
William E. Koenig Airport
Dow, Illinois, United States
- IATA
- None
- ICAO
- None
- FAA
- 01IS
- GPS
- 01IS
- Local time
- --:--
- Elevation
- 204 m (670 ft)
- Longest runway
- 396 m (1,300 ft)
- Runways
- 1
William E. Koenig Airport is a small airport in Dow, Illinois, United States. It has no IATA or ICAO code; its identifier is 01IS. Its longest runway is 396 m (1,300 ft).
Location
- Type
- Small airport
- Serves
- Dow
- Region
- Illinois
- Country
- United States
- Coordinates
- 39°00′58″N 90°19′06″W
39.01620, -90.31820 · Map - Elevation
- 204 m (670 ft)
- Time zone
- America/Chicago
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 09/27 | 396 m (1,300 ft) | 30 m (100 ft) | Turf | No |
Navigation Aids within 60 km 6
| Ident | Name | Type | Frequency | Distance |
|---|---|---|---|---|
| STL | St Louis | VORTAC | 117.40 MHz | 22 km |
| ST | Zumay | NDB | 404 kHz | 26 km |
| CVM | Civic Mem | NDB | 263 kHz | 27 km |
| LM | Oblio | NDB | 338 kHz | 28 km |
| CSX | Cardinal | VOR-DME | 116.45 MHz | 30 km |
| AL | Alpos | NDB | 218 kHz | 37 km |
Data last refreshed 28 September 2026. Not for navigation. About the data.