90IL
Johnson Airport
Johnson Airport (90IL) is a general-aviation airfield serving Momence, Illinois. The field lies at 630 ft (192 m) above sea level and has a single runway of 2,600 ft (792 m), grass. Its nearest neighbour is Lowell Airport (C97), 3 nm NE.
Johnson 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
- 630 ft (192 m)
- Coordinates
- 41.1981, -87.5589
- Serving
- Momence
- Region
- Illinois
- Time zone
- America/Chicago
Runways1 · longest 2,600 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 | 2,600 ft792 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.