IS71
Koch Airport
Koch Airport (IS71) is a general-aviation airfield serving Durand, Illinois. The field lies at 800 ft (244 m) above sea level and has a single runway of 2,450 ft (747 m), grass. Its nearest neighbour is Blackhawk Farms Inc Airport (LL89), 4 nm ENE.
Koch 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
- 800 ft (244 m)
- Coordinates
- 42.4592, -89.1994
- Serving
- Durand
- Region
- Illinois
- Time zone
- America/Chicago
Runways1 · longest 2,450 ft
The diagram shows each runway’s orientation and relative length, read from its designator — runway 08 points 80° 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 |
|---|---|---|---|---|
| 08/26 | 2,450 ft747 m | 70 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.