Southern Illinois Airport
MDH · KMDH · Murphysboro, IL · Towered · Print kneeboard
FAA airport diagramView full size ↓ Nearby now
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:32 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:34 AM | 10:34Z |
| Sunrise | 06:03 AM | 11:03Z |
| Sunset | 08:03 PM | 01:03Z |
| Evening civil twilight Loggable night begins | 08:32 PM | 01:32Z |
Plan a flight from KMDH
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 24LEFT traffic
- Heading
- 242° mag · 241° true
- Dimensions
- 4,163 × 100 ft
- TPA
- 1,400 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 4-light PAPI (right) (3.5°)
- CTAF
- 125.35
More details — RWY 24
- Threshold elev
- 405 ft
- Markings
- basic
- Threshold crossing height
- 25 ft
- TDZ elevation
- 409 ft
- Declared TORA/TODA/ASDA/LDA
- 4,163 / 4,163 / 4,163 / 4,163 ft
- LAHSO
- 3,800 ft (hold short of 18R/36L)
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 06/24 | 4,163 ft | |
| 18L/36R | 6,506 ft | |
| 18R/36L | 3,498 ft |
Prefer one flat page? Full runway details for KMDH → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KMDH kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Southern”Taxi & takeoff
“Southern”Also
By procedure & sector (2 frequencies)
| Frequency | Used by |
|---|---|
| 322.4 | LCL/P |
| 346.275 | MARION RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 18L
| Runway | ILS |
|---|---|
| RWY 18L | ILS · CAT I · LOC 110.9 (MDH) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
ENL 115.00
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| ENL · Centralia | VORTAC | 115.00 · 97X | High | r183° / 38.8 NM |
Prefer one flat list? All KMDH frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KMDH, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KMDH / MDH
- Coordinates
- 37.7781, -89.2520
- Elevation
- 411 ft MSL
- Magnetic variation
- 1W
- Sectional chart
- ST LOUIS
- Airport use
- Public
- Control tower
- Yes
- Tower hours
- 0700-2100
- Airspace
- Class D · CLASS D SVC 0700-2100; OTHER TIMES CLASS G
- Weather station
- ASOS · 119.725 · ☎ 618-529-1821
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- SAINT LOUIS · 1-800-WX-BRIEF
- NOTAM facility
- MDH
- Attendance
- ALL ALL
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- FAR 139 class
- IV A
- Activated
- 1950/09
- Distance from city
- 3 NW
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MALSR RWY 18L; VASI RWY 06; PAPI RWY 24 & 36R; MIRL RWY 06/24; HIRL RWY 18L/36R - CTAF. WHEN ATCT CLSD HIRL RWY 18L/36R PRESET MED INTST; INCREASE INTST - CTAF. WHEN ATCT CLSD 18R/36L LTG BY REQUEST ONLY - CALL 618-534-3662. on 125.35 — Chart Supplement ↗
Runway lighting aids — 06: VASI · 24: 4-light PAPI (right) · 18L: MALSR · 36R: 4-light PAPI (left) · 18R: PSIL · 36L: PSIL.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air ambulance, Cargo, Charter, Instruction, Rental, Aircraft sales
Ownership & management 2 contacts
Remarks FAA · 12 notes
General
- BIRDS ON & INVOF ARPT.
- HIGH STUDENT TRNG ACTVTY.
- RWY 6 & RWY 18R-36L INTERSECT; VERIFY CORRECT COMPASS HDG FOR RWY 6 DEP.
Runways
- RSTRD TO ACFT 12500 LBS OR LESS UNLESS PPR WITH ATCT.
- PCR VALUE: 350/F/D/X/T
- PCR VALUE: 270/F/D/X/T
- PCR VALUE: 40/F/D/X/T
- RWY 06/24 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS.
- RWY 18R/36L NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS.
- UNUSBL BYD 6 DEG RIGHT OF COURSE. PVASI OTS INDEF.
Lighting
- ACTVT MALSR RWY 18L; VASI RWY 06; PAPI RWY 24 & 36R; MIRL RWY 06/24; HIRL RWY 18L/36R - CTAF. WHEN ATCT CLSD HIRL RWY 18L/36R PRESET MED INTST; INCREASE INTST - CTAF. WHEN ATCT CLSD 18R/36L LTG BY REQUEST ONLY - CALL 618-534-3662.
Obstructions
- 39 FT MKD PLINE 1872 FT FM RWY 192 FT L OF CNTRLN. APCH RATIO 42:1.
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Nearby airports
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Also nearby: IL71 Dury Estates Airport (private) (5 NM) · 4IL8 Rendleman Airport (private) (6 NM) · 94IS Adams Private Airport (private) (9 NM) · 08IS Hemmer RLA Restricted Landing Area (12 NM)
About KMDH
Southern Illinois Airport (MDH · KMDH) is an airport in Murphysboro, IL, at 411 ft MSL. It has 3 runways, the longest 6,506 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KMDH, refreshed from the Aviation Weather Center and FAA NASR.
Does KMDH have a control tower?
Yes. Southern Illinois Airport has an operating FAA control tower. See the Comms & NavAids section for tower and ground frequencies.
What is the longest runway at KMDH?
Southern Illinois Airport has 3 runways; the longest is 6,506 ft. See the Runways section for headings, surface, and lighting.
Where is KMDH?
Southern Illinois Airport is in Murphysboro, IL, at an elevation of 411 ft MSL. Coordinates: 37.7781, -89.2520.
Fly out of KMDH often?
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Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KMDH in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.