11IA
Koch Field
Koch Field (11IA) is a general-aviation airfield serving Hudson, Iowa. The field lies at 988 ft (301 m) above sea level and has a single runway of 1,320 ft (402 m), grass. Its nearest neighbour is Witcombe Field (4IA7), 7 nm N.
Koch Field 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
- 988 ft (301 m)
- Coordinates
- 42.3496, -92.5133
- Serving
- Hudson
- Region
- Iowa
- Time zone
- America/Chicago
Runways1 · longest 1,320 ft
The diagram is drawn from published threshold coordinates, so each runway sits where it actually sits — true bearings, true separations, true lengths. Runway widths are exaggerated against length, which at true proportion would draw a hairline. It is a diagram, not a chart to navigate by.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 18/36 | 1,320 ft402 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.