27IS
Gelfius International Airport
Gelfius International Airport (27IS) is a general-aviation airfield serving Dahlgren, Illinois. The field lies at 530 ft (162 m) above sea level and has a single runway of 1,800 ft (549 m), grass. Its nearest neighbour is McLeansboro Airport (3LL8), 8 nm SE.
Gelfius International 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
- 530 ft (162 m)
- Coordinates
- 38.1489, -88.6703
- Serving
- Dahlgren
- Region
- Illinois
- Time zone
- America/Chicago
Runways1 · longest 1,800 ft
The diagram shows each runway’s orientation and relative length, read from its designator — runway 13 points 130° 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 |
|---|---|---|---|---|
| 13/31 | 1,800 ft549 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.