01IS
William E. Koenig Airport
William E. Koenig Airport (01IS) is a general-aviation airfield serving Dow, Illinois. The field lies at 670 ft (204 m) above sea level and has a single runway of 1,300 ft (396 m), grass. Its nearest neighbour is Koenig Airport (0LL3), 3 nm NNW.
William E. Koenig Airport is a smaller field, so Alārium does not attribute movements to it directly — but aircraft flying near it appear on the live map like any other, at their real altitude and on their real track.
Location
- Elevation
- 670 ft (204 m)
- Coordinates
- 39.0162, -90.3182
- Serving
- Dow
- Region
- Illinois
- Time zone
- America/Chicago
Runways1 · longest 1,300 ft
The diagram shows each runway’s orientation and relative length, read from its designator — runway 09 points 90° magnetic. Threshold coordinates are not published for this field, so strips are drawn about its centre rather than where they sit on the ground. It is a diagram, not a chart to navigate by.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 09/27 | 1,300 ft396 m | 100 ft | Grass | — |
Nearby airfields
Runway and field data from the OurAirports public-domain dataset. Positions are ADS-B, which covers most but not all aircraft.