Carbondale/Murphysboro, Illinois
KMDH Southern Illinois
Southern Illinois (KMDH) is a towered, public-use airport in Carbondale/Murphysboro, Illinois, at 411.2 ft MSL. It has 3 runways: 06/24 (4,163 by 100 ft, asphalt), 18L/36R (6,506 by 100 ft, asphalt), 18R/36L (3,498 by 60 ft, asphalt). CTAF 125.35.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KMDH, FAA MDH
- Location
- Carbondale/Murphysboro, Illinois (Jackson County). 3 NM NW of the city center
- Elevation
- 411.2 ft MSL
- Position
- 37.7781° N, 89.2520° W
- Control tower
- Yes (ATCT)
- Sectional chart
- St Louis
- Magnetic variation
- 1° W (2010)
- Fuel
- 100LL, Jet A
- Ownership
- Publicly owned, open to the public
- Attendance
- Daily ALL
3 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 06/24 | 4,163 × 100 ft | Asphalt, fair condition | Medium intensity |
| 18L/36R | 6,506 × 100 ft | Asphalt, excellent condition | High intensity |
| 18R/36L | 3,498 × 60 ft | Asphalt, excellent condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 06 | Left traffic | 4-box VASI, left | None listed | None listed | 4,163 ft |
| 24 | Left traffic | 4-light PAPI, right | None listed | None listed | 4,163 ft |
| 18L | Left traffic | None listed | ILS | None listed | 6,506 ft |
| 36R | Left traffic | 4-light PAPI, left | None listed | None listed | 6,506 ft |
| 18R | Not stated | Pulsating VASI, left | None listed | None listed | 3,498 ft |
| 36L | Not stated | Pulsating VASI, left | None listed | None listed | 3,498 ft |
VHF
Frequencies
- ATIS
- 119.725
- "Southern". Hours 0700-2100
- CTAF
- 125.35
- UNICOM
- 122.95
- Tower
- 125.35
- "Southern". Hours 0700-2100
- Tower
- 126.25
- "Southern". Hours 0700-2100
- Ground
- 121.8
- "Southern". Hours 0700-2100
Weather station
- ASOS MDH
- No frequency listed
Before you go
Brief KMDH in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Southern Illinois, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.