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DANE COUNTY RGNL/TRUAX FLD - Airport Diagram
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KMSN
ICAO KMSNIATA MSNLocal MSN
DANE COUNTY RGNL/TRUAX FLD
PublicPUB

5 miles NE of MADISON, WI, US
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Status
Operational
Coordinates
43° 08' 24"N 89° 20' 15"W
Elevation
887' MSL
Pattern Alt
1887' MSL
Mag Variation
3°W
Declination
3°W
Fuel
JET A, JET A+, CILI, 100LL
FSS
GREEN BAY (GRB)
Sectional
CHICAGO
ARTCC
CHICAGO (ZAU)
Data Effective
2/19/26-3/19/26
KMSN MVFR
10:16 AM CDT  
Light Freezing Rain and Mist
Overcast 3,000'
Few 2,000'
5sm
32°F
30°F
29.46"Hg
040° 14kts
Gusts 21kts
AO2 LTG DSNT NE AND E TSE11 P0003 I1000 T00001011 $
SPECI KMSN 151516Z 04014G21KT 5SM -FZRA BR FEW020 OVC030 00/M01 A2946 RMK AO2 LTG DSNT NE AND E TSE11 P0003 I1000 T00001011 $
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KMSN FBOs

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Wisconsin Aviation
UNICOM: 122.95
Phone: (608) 268-5006
Fax: (608) 268-5038
No Rating Available
0 Reviews (Read | Sign In To Write)
Avfuel
As of 2/24
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve
Full Serve 5.59 4.99 5.02
Fuel Notes
Prices include tax
Full service only.
Volume Discounts
Jet-A purchased at retail is discounted $0.10 per gallon over 300 gallons, $0.15 per gallon over 600 gallons, and $0.20 per gallon over 1000 gallons.
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Weather and Advisory

ATIS 124.65
ASOS (608) 410-1285

Common

CTAF 119.3
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.
UNICOM 122.95

Clearance

Clearance Delivery 121.625

Ground

MADISON GROUND 121.9
0600-2300

Tower

MADISON TOWER 119.3
0600-2300

Approach

MADISON APPROACH 120.1
EAST
MADISON APPROACH 135.45
WEST

Departure

MADISON DEPARTURE 120.1
EAST
MADISON DEPARTURE 135.45
WEST

Center

MADISON CENTER 133.3
LOW, APCH/DEP SVC PRVDD BY CHICAGO ARTCC ON FREQS 133.3/257.925 (LONE ROCK RCAG) & 135.45 WHEN MADISON APCH CTL CLSD.

Flight Service

Flight Service 122.6
(GRB)

Emergency

Emergency 121.5

Military

ANG OPS 40.8
CALL MADISON OPS
ANG OPS 123.4
CALL MADISON OPS .
ANG OPS 138.175

Other

CLASS C 120.1
EAST
CLASS C 135.45
WEST

Terminal Area Forecast

KMSN
Sun, 3/15 6:23 AM CDT
Sun, 3/15 7:00 AM CDT - Mon, 3/16 7:00 AM CDT
VFR
Temporary 7:00 AM CDT - 8:00 AM CDT
Light Rain
No Clouds
6sm
Calm
MVFR
7:00 AM CDT - 9:00 AM CDT
Overcast 1,600'
6sm
100° 11kts
Gusts 23kts
MVFR
9:00 AM CDT - 2:00 PM CDT
Light Rain
Overcast 1,300'
3sm
100° 10kts
Gusts 22kts
IFR
Temporary 11:00 AM CDT - 1:00 PM CDT
Light Rain
Overcast 1,000'
Broken 600'
1sm
Calm
LIFR
2:00 PM CDT - 4:00 PM CDT
Rain
Overcast 900'
Broken 400'
3sm
030° 13kts
Gusts 23kts
IFR
4:00 PM CDT - 9:00 PM CDT
Overcast 600'
6sm
010° 18kts
Gusts 29kts
LIFR
4:00 PM CDT - 9:00 PM CDT
Light Freezing Rain and Snow
Overcast 300'
3sm
Calm
IFR
9:00 PM CDT - 1:00 AM CDT
Light Snow
Overcast 900'
Scattered 400'
3sm
360° 19kts
Gusts 32kts
LIFR
1:00 AM CDT - 7:00 AM CDT
Snow and Blowing Snow
Overcast 1,100'
Broken 800'
0.5sm
340° 19kts
Gusts 32kts
TAF KMSN 151123Z 1512/1612 10011G23KT P6SM OVC016
   TEMPO 1512/1513 6SM -RA
   FM151400 10010G22KT 3SM -RA OVC013
   TEMPO 1516/1518 1SM -RA BKN006 OVC010
   FM151900 03013G23KT 3SM RA BKN004 OVC009
   FM152100 01018G29KT P6SM OVC006
   PROB30 1521/1602 3SM -FZRASN OVC003
   FM160200 36019G32KT 3SM -SN SCT004 OVC009 WS020/01050KT
   FM160600 34019G32KT 1/2SM SN BLSN BKN008 OVC011
KMSN
EffectiveExpiresCategoryNOTAM
Domestic
3/17/26
1200Z
3/17/26
2000Z
!MSN 03/082 MSN OBST CRANE (ASN UNKNOWN) 430711N0891345W (1.1NM SE APCH END RWY 32)
UNKNOWN (145FT AGL) FLAGGED AND LGTD 2603171200-2603172000
3/15/26
1518Z
3/16/26
1518Z
!MSN 03/115 MSN APRON WEST RAMP FICON PATCHY 1/8IN SLUSH OBS AT 2603151518. 2603151518-2603161518
3/15/26
1516Z
3/16/26
1516Z
!MSN 03/114 MSN APRON SOUTH RAMP FICON 1/8IN SLUSH OBS AT 2603151516. 2603151516-2603161516
3/15/26
1515Z
3/16/26
1515Z
!MSN 03/113 MSN APRON EAST RAMP FICON 1/8IN SLUSH OBS AT 2603151515. 2603151515-2603161515
3/15/26
1509Z
3/16/26
1509Z
Runway!MSN 03/112 MSN RWY 36 FICON 5/5/5 70 PCT 1/8IN SLUSH DEICED LIQUID 50FT WID OBS AT 2603151509. 2603151509-2603161509
3/15/26
1459Z
3/16/26
2359Z
!MSN 03/111 MSN TWY A SOUTH HLDG PAD CLSD 2603151459-2603162359
3/15/26
1455Z
3/16/26
1455Z
!MSN 03/110 MSN TWY ALL FICON 1/8IN SLUSH OBS AT 2603151455. 2603151455-2603161455
3/15/26
1431Z
3/16/26
2359Z
!MSN 03/108 MSN TWY A2, A4, A5, B1, B2, B3, B5, E, H, J, M2, TWY B BTN TWY B1 AND TWY M CLSD 2603151431-2603162359
3/15/26
1426Z
3/16/26
2359Z
Runway!MSN 03/107 MSN RWY 32 CLSD 2603151426-2603162359
3/15/26
1425Z
3/16/26
2359Z
Runway!MSN 03/106 MSN RWY 03 CLSD 2603151425-2603162359
3/15/26
1316Z
3/16/26
1316Z
Runway!MSN 03/105 MSN RWY 32 FICON 5/5/5 100 PCT WET OBS AT 2603151316. 2603151316-2603161316
3/15/26
1310Z
3/16/26
1310Z
Runway!MSN 03/104 MSN RWY 03 FICON 5/5/5 100 PCT WET OBS AT 2603151310. 2603151310-2603161310
1/30/26
1114Z
12/31/26
2359Z
!MSN 01/411 MSN OBST BLDG LGT (ASN UNKNOWN) 430718N0892026W (0.39NM S APCH END RWY 36)
UNKNOWN (20FT AGL) U/S 2601301114-2612312359
11/11/25
2123Z
10/26/26
2359Z
!MSN 11/054 MSN OBST CRANE (ASN 2025-AGL-9148-OE) 430450N0892236W (4.0NM SSW MSN) 1110FT (260FT AGL) FLAGGED AND LGTD 2511112123-2610262359
10/3/25
1808Z
5/29/26
2300Z
!MSN 10/006 MSN APRON EAST RAMP SFC MARKINGS NOT MARKED BTN TWY M AND TWY J 2510031808-2605292300
FDC
2/6/26
0834Z
!FDC 6/0913 MSN IAP DANE COUNTY RGNL/TRUAX FLD, MADISON, WI.
RNAV (GPS) RWY 3, ORIG-E...
LPV DA 1141/HAT 281 ALL CATS. VIS 7/8 ALL CATS.
TEMPORARY CRANE, 1007 MSL, 1108FT EAST OF RWY 3 (2024-AGL-15586-NRA).
2602060834-2609182355EST
1/7/26
1319Z
!FDC 6/1179 MSN IAP DANE COUNTY RGNL/TRUAX FLD, MADISON, WI.
RNAV (GPS) RWY 3, ORIG-E...
LPV DA 1141/HAT 281 ALL CATS. VIS 7/8 ALL CATS.
LNAV/VNAV DA 1263/HAT 403 ALL CATS. VIS 1 1/8 ALL CATS.
TEMPORARY CRANES, UP TO 1052 MSL, BEGINNING 3947FT SW OF RWY 3 (2024-AGL-16443 THRU 16446-OE) , TEMPORARY CRANE, 1007 MSL, 1108FT EAST OF RWY 3 (2024-AGL-15586-NRA).
2601071319-2608191319EST
10/31/24
1312Z
!FDC 4/6966 MSN IAP DANE COUNTY RGNL/TRUAX FLD, MADISON, WI.
ILS OR LOC RWY 21, ORIG-E...
RADAR OR DME REQUIRED EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS.
DLL R-129 RADIAL UNUSABLE..
2410311312-2610311312EST
Military
3/12/26
2238Z
3/17/26
2130Z
Runway!KMSN M0010/26 MSN RWY 18 BAK-14 ARST SYSTEM U/S 2603122238-2603172130
2/12/26
2246Z
5/8/26
2359Z
Runway!KMSN M0009/26 MSN RWY 18 BAK-12 ARST SYSTEM NOT STD PAVEMENT DEGRADATION WITHIN 200'. USE CAUTION 2602122246-2605082359
2/10/26
1921Z
5/7/26
2359Z
WISCONSIN AIR NTL GUARD RAMP VEHICLE SERVICE ROAD AT NORTH END OF APRON. NO ACCESS TO 115FW APRON FROM SOUTH RAMP. LIGHTED AND BARRICADED
Yes
ALL
DANE COUNTY
4000 INTERNATIONAL LANE
MADISON, WI 53704
Phone: 608-246-3380
MARK PAPKO
4000 INTERNATIONAL LANE
MADISON, WI 53704
Phone: 605-246-3390
GREEN BAY FSS (GRB)
Toll Free: 1-800-WX-BRIEF
MSN
--
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.
N/A
Yes - Lighted
No
No
Hangar
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
High & Low Pressure
None
Air Freight
Air Ambulance
Avionics
Cargo Handling
Charter Service
Pilot Instruction
Aircraft Rental
Aircraft Sales

Runway 03/21

7200 ft. x 150 ft.
CONC  
Good 
GRVD 
HIGH 
 
120,000lbs 
230,000lbs 
380,000lbs 
-- 
  Runway 03 Runway 21
True Heading 29°209°
Traffic Pattern
Markings PIR PIR
Markings Condition GOOD GOOD
Latitude 43° 07' 60"N 43° 09' 02"N
Longitude 89° 20' 30"W 89° 19' 43"W
Elevation 861' 887'
Threshold Crossing Height 49 ft. AGL 53 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights MALSR
Centerline Lights
Runway End Identifier Lights Yes

Runway 14/32

5846 ft. x 150 ft.
CONC  
Good 
GRVD 
HIGH 
 
120,000lbs 
210,000lbs 
320,000lbs 
-- 
  Runway 14 Runway 32
True Heading 136°316°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition GOOD GOOD
Latitude 43° 08' 52"N 43° 08' 11"N
Longitude 89° 20' 30"W 89° 19' 35"W
Elevation 859' 862'
Threshold Crossing Height 45 ft. AGL 56 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights
Centerline Lights No No
Runway End Identifier Lights Yes Yes

Runway 18/36

9006 ft. x 150 ft.
CONC  
Fair 
GRVD 
HIGH 
 
120,000lbs 
230,000lbs 
380,000lbs 
870,000lbs 
  Runway 18 Runway 36
True Heading 182°2°
Traffic Pattern Left Left
Markings PIR PIR
Markings Condition GOOD GOOD
Latitude 43° 08' 57"N 43° 07' 28"N
Longitude 89° 20' 28"W 89° 20' 32"W
Elevation 860' 862'
Threshold Crossing Height 57 ft. AGL 59 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights MALSR ALSF2
Centerline Lights Yes Yes
Runway End Identifier Lights No No
A110-2W RAMP RSTRD TO ACR.
A110-24ANG: 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.
A110-25AVOID OTFC OF YAHARA RIVER INVOF ARPT BLW 2000 FT.
A110-28RWY 14 & 18 APCH ENDS CLOSELY ALIGNED; VERIFY RWY & HDG BFR DEP.
A110-29TWY 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.
A110-3NOISE ABATEMENT PROC IN EFCT; DEP RWY 03 & 36; ARR RWY 18 & 21.
A110-31ARNG: 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.
A110-32HIGH RISK FLT TEST PPR - AMGR.
A110-34ENG RUNUP N HOLD BAY ONLY.
A110-35BARRICADES ALG W EDGE OF S RAMP ADJ MIL RAMP.
A110-36W RAMP UNCTLD; PUSHBACK AT PILOT DISCRETION.
A110-38AVGAS E OR S APRON ONLY.
A110-41RWY 18, 21, 36 BAK-14 ARRESTING CABLE MIL USE ONLY; RETRACTED WHEN NOT IN USE.
A110-42FOR CD CTC MADISON APP/DEP CON AT 608-249-8240. WHEN MADISON APCH CLSD, FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
A110-43TWY F MIL FIGHTER USE ONLY. TWY G PERM CLSD.
A110-44GEN AVN SVC AVBL E RAMP ONLY.
A110-5TBJT TRNG OPS PROH.
A110-7BIRDS ON & INVOF ARPT.
A14MATT POWERS - 608-661-6452
A39-03/21PCR VALUE: 780/R/D/W/T
A39-14/32PCR VALUE: 710/R/D/W/T
A39-18/36PCR VALUE: 780/R/C/W/T
A43-18UNUSBL BYD 9 DEGS RIGHT OF CNTRLN.
A47-18RWY CC NOT REPORTED.
A47-36RWY CC NOT REPORTED.
A49-36ALSF2 OPRS AS SSALR WHEN TWR CLSD.
A57-03TAP
A57-18APCH RATIO 40:1 FM DTHR.
A81-APTACTVT 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.
E147MILITARY: OVHD TFC PAT ALT RSTRD TO 3500 FT MSL; RWY 18/36 L TURN.
E60-18_BAK-14BAK-14 BAK-12(B) (1900').
E60-21_BAK-14BAK-14 BAK-12(B) (1620').
E60-36_BAK-14BAK-14 BAK-12(B) (1750').
DANE COUNTY RGNL/TRUAX FLD (ICAO: KMSN, IATA: MSN) is a public airport located in MADISON, WI, US.