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Dane County Regional Truax Field
MSN · KMSN · Madison, WI · 887 ft elevation · var 3W · Towered
Airport information
- ICAO / IATA
- KMSN / MSN
- Coordinates
- 43.1399, -89.3375
- Elevation
- 887 ft MSL
- Magnetic variation
- 3W
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- GREEN BAY
- NOTAM facility
- MSN
- Attendance
- ALL ALL
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1937/09
- Distance from city
- 5 NE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:42 AM | 09:42Z |
| Sunrise | 05:17 AM | 10:17Z |
| Sunset | 08:40 PM | 01:40Z |
| Evening civil twilight Loggable night begins | 09:16 PM | 02:16Z |
Loggable night (§1.1)
09:16 PM → 04:42 AM
Night currency (§61.57)
09:40 PM → 04:17 AM
Plan a flight from KMSN
Runway 03/21
7,200 ft × 150 ft · Concrete (Good) 03
- Heading
- 032° mag · 29° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
- Displaced threshold
- 431 ft
21
- Heading
- 212° mag · 209° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Approach lights
- MALSR
- Instrument approach
- ILS/DME
- Traffic pattern
- Left
Runway 14/32
5,846 ft × 150 ft · Concrete (Good) 14
- Heading
- 139° mag · 136° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
- Displaced threshold
- 477 ft
32
- Heading
- 319° mag · 316° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
Runway 18/36
9,006 ft × 150 ft · Concrete (Fair) 18
- Heading
- 185° mag · 182° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Approach lights
- MALSR
- Instrument approach
- ILS/DME
- Traffic pattern
- Left
- Displaced threshold
- 400 ft
36
- Heading
- 005° mag · 2° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Approach lights
- ALSF2
- Instrument approach
- ILS/DME
- Traffic pattern
- Left
- Displaced threshold
- 1,001 ft
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| APP | 120.1 | MADISON APP |
| ATIS | 124.65 | |
| CLD | 121.62 | MADISON CLNC DEL |
| CTAF | 119.3 | |
| DEP | 126.85 | MADISON DEP |
| GND | 121.9 | MADISON GND |
| MISC | 40.8 | ARNG OPS |
| OPS | 138.25 | ANG OPS |
| RDO | 122.6 | GREEN BAY RDO |
| TWR | 119.3 | MADISON TWR |
| UNIC | 122.95 | UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MSN · Madison | VORTAC | 108.60 | r159° / 0.3 NM |
| DLL · Dells | VORTAC | 117.00 | r140° / 30.9 NM |
| LNR · Lone Rock | VOR-DME | 112.80 | r105° / 36 NM |
| JVL · Janesville | VOR-DME | 114.30 | r341° / 36.4 NM |
Airport diagram
Open PDF ↗Preview diagram
Approaches
- ILS OR LOC RWY 18 ↗ · amdt 2B
- ILS OR LOC RWY 21 ↗ · amdt 1
- ILS OR LOC/DME RWY 36 ↗ · amdt 2B
- ILS RWY 36 (SA CAT I) ↗ · amdt 2B
- ILS RWY 18 (SA CAT I - II) ↗ · amdt 2B
- ILS RWY 36 (CAT II - III) ↗ · amdt 2B
- RNAV (GPS) RWY 03 ↗ · amdt 0E
- RNAV (GPS) RWY 14 ↗ · amdt 2E
- RNAV (GPS) RWY 18 ↗ · amdt 2F
- RNAV (GPS) RWY 21 ↗ · amdt 2C
- RNAV (GPS) RWY 32 ↗ · amdt 2E
- RNAV (GPS) RWY 36 ↗ · amdt 2E
- VOR RWY 14 ↗ · amdt 1
- VOR RWY 32 ↗ · amdt 1B
- HI-TACAN RWY 18 ↗
- HI-TACAN RWY 36 ↗
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A, A++
- Bottled oxygen
- HIGH/LOW
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- hangars
- Other services
- Air freight, Air ambulance, Avionics, Cargo, Charter, Instruction, Rental, Aircraft sales
Ownership & management
Owner
DANE COUNTY
4000 INTERNATIONAL LANE, MADISON, WI
608-246-3380
Manager
MARK PAPKO
4000 INTERNATIONAL LANE, MADISON, WI
605-246-3390
Remarks FAA
- W RAMP RSTRD TO ACR.
- NOISE ABATEMENT PROC IN EFCT; DEP RWY 03 & 36; ARR RWY 18 & 21.
- TBJT TRNG OPS PROH.
- BIRDS ON & INVOF ARPT.
- ANG: PPR - 115FW.PPR.ORG@US.AF.MIL. OPS HR 1200-2230Z++MON-THURS - D724-8642/8436/C608 245-4642/4436. H24 - D724-8580 H24/C608 245-4580.
- AVOID OTFC OF YAHARA RIVER INVOF ARPT BLW 2000 FT.
- RWY 14 & 18 APCH ENDS CLOSELY ALIGNED; VERIFY RWY & HDG BFR DEP.
- TWY L1, L6, B5, E & H NORTH OF RWY 14/32, E RAMP BTN TWY H & M CLSD TO WINGSPAN GTR THAN 118 FT. TWYS B1, J & B NORTH OF TWY M & E RAMP CLSD TO WINGSPAN GTR THAN 150 FT.
- ARNG: PPR; TSNT SVC LTD; HEL RQR SVC - ARMY OPS; 1300-2200Z++ MON, TUE; 1300-0400Z++ WED-FRI, CLSD SAT, SUN - D745-8310/C608-301-8310.
- HIGH RISK FLT TEST PPR - AMGR.
- ENG RUNUP N HOLD BAY ONLY.
- BARRICADES ALG W EDGE OF S RAMP ADJ MIL RAMP.
- W RAMP UNCTLD; PUSHBACK AT PILOT DISCRETION.
- AVGAS E OR S APRON ONLY.
- RWY 18, 21, 36 BAK-14 ARRESTING CABLE MIL USE ONLY; RETRACTED WHEN NOT IN USE.
- FOR CD CTC MADISON APP/DEP CON AT 608-249-8240. WHEN MADISON APCH CLSD, FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
- TWY F MIL FIGHTER USE ONLY. TWY G PERM CLSD.
- GEN AVN SVC AVBL E RAMP ONLY.
- ACTVT MALSR RWY 18 & 21; REIL RWY 03, 14 & 32; HIRL RWY 03/21, 14/32 & 18/36 - CTAF. WHEN ATCT CLSD HIRL RWY 18/36 PRESET LOW INTST; INCR INTST - CTAF.
- MILITARY: OVHD TFC PAT ALT RSTRD TO 3500 FT MSL; RWY 18/36 L TURN.
- MATT POWERS - 608-661-6452
- BAK-14 BAK-12(B) (1900').
- BAK-14 BAK-12(B) (1620').
- BAK-14 BAK-12(B) (1750').
- PCR VALUE: 780/R/D/W/T
- PCR VALUE: 710/R/D/W/T
- PCR VALUE: 780/R/C/W/T
- ALSF2 OPRS AS SSALR WHEN TWR CLSD.
- RWY CC NOT REPORTED.
- RWY CC NOT REPORTED.
- UNUSBL BYD 9 DEGS RIGHT OF CNTRLN.
- TAP
- APCH RATIO 40:1 FM DTHR.
Nearby airports
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 KMSN in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.