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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
6/11/26-7/9/26
KMSN VFR
2:53 PM CDT  
Thunderstorm
Broken 17,000'
Broken 14,000'
Scattered 10,000'
Few 1,800'
10sm
71°F
65°F
29.93"Hg
VRB° 3kts
AO2 RAE41 TSB05 SLP134 OCNL LTGIC S-SW AND NE TS S-SW AND NE MOV E P0000 T02170183
METAR KMSN 241953Z VRB03KT 10SM TS FEW018CB SCT100 BKN140 BKN170 22/18 A2993 RMK AO2 RAE41 TSB05 SLP134 OCNL LTGIC S-SW AND NE TS S-SW AND NE MOV E P0000 T02170183
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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 6/7
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve
Full Serve 6.99 6.70 6.73
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
Wed, 6/24 12:35 PM CDT
Wed, 6/24 1:00 PM CDT - Thu, 6/25 1:00 PM CDT
VFR
1:00 PM CDT - 4:00 PM CDT
Broken 3,500'
6sm
200° 7kts
MVFR
Temporary 1:00 PM CDT - 4:00 PM CDT
Light Thunderstorm and Rain
Overcast 2,500'
4sm
Calm
VFR
4:00 PM CDT - 7:00 PM CDT
Broken 6,000'
6sm
260° 5kts
MVFR
Temporary 4:00 PM CDT - 7:00 PM CDT
Light Thunderstorm and Rain
Overcast 2,500'
4sm
Calm
VFR
7:00 PM CDT - 4:00 AM CDT
Scattered 10,000'
6sm
VRB° 4kts
VFR
4:00 AM CDT - 11:00 AM CDT
Scattered 20,000'
6sm
VRB° 3kts
VFR
11:00 AM CDT - 1:00 PM CDT
Broken 5,000'
6sm
310° 7kts
TAF KMSN 241735Z 2418/2518 20007KT P6SM BKN035
   TEMPO 2418/2421 4SM -TSRA OVC025CB
   FM242100 26005KT P6SM BKN060
   TEMPO 2421/2424 4SM -TSRA OVC025CB
   FM250000 VRB04KT P6SM SCT100
   FM250900 VRB03KT P6SM SCT200
   FM251600 31007KT P6SM BKN050
KMSN
EffectiveExpiresCategoryNOTAM
Domestic
6/25/26
1600Z
6/25/26
2100Z
!MSN 06/165 MSN AIRSPACE UAS WI AN AREA DEFINED AS .5NM RADIUS OF 430207N0885932W (8.4NM NW 61C) SFC-200FT AGL 2606251600-2606252100
6/23/26
1633Z
6/24/26
0430Z
!MSN 06/156 MSN AIRSPACE UAS WI AN AREA DEFINED AS 2NM RADIUS OF 431425N0885427W (8.7NM NW RYV) SFC-400FT AGL 2606231633-2606240430
6/23/26
1201Z
7/23/26
1200Z
!MSN 06/149 MSN AIRSPACE UAS WI AN AREA DEFINED AS 5NM RADIUS OF 425439N0891549W (7.8NM WNW 58C) SFC-100FT AGL 2606231201-2607231200
6/23/26
0307Z
7/14/26
2359Z
!MSN 06/147 MSN APRON EAST RAMP W SIDE BTN WISAV AND GCI HANGAR CLSD TO ACFT WINGSPAN MORE THAN 80 FT 2606230307-2607142359
6/23/26
0242Z
7/14/26
2359Z
!MSN 06/145 MSN APRON EAST RAMP E 425FT CLSD BTN WISAV AND GCI HANGAR 2606230242-2607142359
6/22/26
1420Z
7/17/26
2300Z
!MSN 06/139 MSN TWY M BTN TWY M3 AND EAST RAMP CLSD TO ACFT WINGSPAN MORE THAN 80FT 2606221420-2607172300
5/25/26
1135Z
8/28/26
2300Z
!MSN 05/075 MSN APRON EAST RAMP SFC MARKINGS BTN TWY M AND TWY J NOT STD 2605251135-2608282300
5/22/26
1622Z
7/6/26
1621Z
!MSN 05/069 MSN OBST TOWER LGT (ASR 1063472) 425942.00N0891904.00W (8.8NM S MSN) 1108.9FT (259.2FT AGL) U/S 2605221622-2607061621
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
FDC
5/14/26
1439Z
!FDC 6/0375 MSN IAP DANE COUNTY RGNL/TRUAX FLD, MADISON, WI.
ILS OR LOC RWY 21, AMDT 1...
AUTOPILOT COUPLED APPROACH NA BELOW 1263.
2605141439-2803271422EST
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
Military
6/19/26
1600Z
6/26/26
2130Z
Runway!KMSN M0021/26 MSN RWY 36 BAK-12 ARST SYSTEM U/S NORTH CABLE 2606191600-2606262130
6/9/26
1224Z
9/3/26
2359Z
AerodromeAERODROME HI-TACAN RWY18 AND RWY36 FOR F-35 ACFT PROHIBITED DUE TO SIGNIFICANT COURSE DEVIATION
5/11/26
1319Z
8/7/26
2359Z
Apron!KMSN M0016/26 MSN APRON WISCONSIN AIR NTL GUARD RAMP WORK IN PROGRESS CONSTRUCTION VSR NORTH END OF APRON LGTD AND BARRICADED 2605111319-2608072359
5/11/26
1315Z
8/7/26
2359Z
Runway!KMSN M0015/26 MSN RWY 18 BAK-12 ARST SYSTEM NOT STD PAVEMENT DEGRADATION WITHIN 200', USE CAUTION 2605111315-2608072359
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.