📍 Carbondale/Murphysboro⬆ 411 ft3 runways
KMDH · MDH
Southern Illinois Airport
37.77810°N
-89.25200°W
ARR / DAY
0
▼
100.0%
DEP / DAY
0
▼
100.0%
Southern Illinois Airport (KMDH/MDH) is a medium general aviation airport located in Carbondale/Murphysboro, IL, 78 mi south east of St. Louis. It features 3 runways with the longest being 6,506 feet.
Safety incidents
Last 7 days · 0 total
Current weather
Latest METAR observation
Temp
84°F
Wind
6 kts
260°
Visib
10+ km
Ceil
—
Runways
3 installed
06/24
4,163 ft × 100
ASP● LITMED
18L/36R
6,506 ft × 100
ASP● LITHIGH
18R/36L
3,498 ft × 60
ASP● LITMED
Top carriers
Share of flights
Top destinations
By flight count
No data.
Carriers
No carrier data.
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 125.350 | — |
| TWR | 125.350 | 0700-2100 |
| TWR | 126.250 | 0700-2100 |
| TWR | 322.400 | 0700-2100 |
| GND | 121.800 | 0700-2100 |
| ATIS | 119.725 | 0700-2100 |
| UNICOM | 122.950 | — |
| LCL/P | 125.350 | 0700-2100 |
| LCL/S | 126.250 | 0700-2100 |
| MARION R | 127.475 | — |
| OTHER | 127.475 | — |
| LCL/P | 322.400 | 0700-2100 |
| MARION R | 346.275 | — |
| OTHER | 346.275 | — |
Airport operations
- ARTCC:
- ZKC
- Mag var:
- 1° W
- Fuel:
- 100LL
Hourly traffic
Avg movements per hour · local time · last 30 days
Top routes
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0 routes
No routes on file.
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·
Updated 15:45 UTC