9IL4
Thompson Airport
Thompson Airport (9IL4) is a general-aviation airfield serving Steward, Illinois. The field lies at 790 ft (241 m) above sea level and has a single runway of 1,385 ft (422 m), grass. Its nearest neighbour is Ranken Airport (4LL0), 3 nm NW.
Thompson 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
- 790 ft (241 m)
- Coordinates
- 41.8072, -89.0481
- Serving
- Steward
- Region
- Illinois
- Time zone
- America/Chicago
Runways1 · longest 1,385 ft
The diagram shows each runway’s orientation and relative length, read from its designator — runway 18 points 180° 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 |
|---|---|---|---|---|
| 18/36 | 1,385 ft422 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.