27LL
Ralph Jacobs Airport
Ralph Jacobs Airport (27LL) is a general-aviation airfield serving Valmeyer, Illinois. The field lies at 400 ft (122 m) above sea level and has two crossing runways, the longest 2,350 ft (716 m), grass. Its nearest neighbour is Sackman Field (H49), 6 nm NE.
Ralph Jacobs 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
- 400 ft (122 m)
- Coordinates
- 38.3751, -90.3193
- Serving
- Valmeyer
- Region
- Illinois
- Time zone
- America/Chicago
Runways2 · longest 2,350 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 | 2,350 ft716 m | 85 ft | Grass | — |
| 10/28 | 1,950 ft594 m | 85 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.