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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
5/14/26-6/11/26
KMSN VFR
4:53 PM CDT  
Broken 25,000'
Broken 6,000'
Few 3,000'
10sm
82°F
70°F
29.85"Hg
340° 3kts
AO2 SLP102 T02780211
METAR KMSN 092153Z 34003KT 10SM FEW030 BKN060 BKN250 28/21 A2985 RMK AO2 SLP102 T02780211
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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
Tue, 6/9 2:27 PM CDT
Tue, 6/9 2:00 PM CDT - Wed, 6/10 1:00 PM CDT
VFR
2:00 PM CDT - 4:00 AM CDT
Broken 5,000'
Scattered 2,500'
6sm
VRB° 3kts
VFR
4:00 AM CDT - 9:00 AM CDT
Broken 4,000'
6sm
VRB° 4kts
MVFR
5:00 AM CDT - 9:00 AM CDT
Thunderstorm and Rain
Overcast 2,500'
4sm
Calm
VFR
9:00 AM CDT - 12:00 PM CDT
Scattered 2,300'
6sm
190° 8kts
MVFR
12:00 PM CDT - 1:00 PM CDT
Showers and Rain
Broken 3,500'
4sm
Calm
VFR
12:00 PM CDT - 1:00 PM CDT
Scattered 3,500'
6sm
200° 11kts
Gusts 20kts
TAF KMSN 091927Z 0919/1018 VRB03KT P6SM SCT025 BKN050
   FM100900 VRB04KT P6SM BKN040
   PROB30 1010/1014 4SM TSRA OVC025CB
   FM101400 19008KT P6SM SCT023
   FM101700 20011G20KT P6SM SCT035
   PROB30 1017/1018 4SM SHRA BKN035
KMSN
EffectiveExpiresCategoryNOTAM
Domestic
6/10/26
1430Z
6/10/26
1830Z
!MSN 06/024 MSN AIRSPACE FLTCK ACFT OPS WI AN AREA DEFINED AS 430544N0891427W (5NM ESE MSN) TO 430129N0890511W (13NM ESE MSN) TO 425509N0891039W (15NM SSE MSN) TO 425541N0893105W (15NM SW MSN) TO 430216N0893555W (13NM WSW MSN) TO 430602N0892617W (5NM WSW MSN) TO 430440N0892449W (5NM SW MSN) TO 430345N0892248W (5NM SSW MSN) TO 430324N0892029W (5NM S MSN) TO 430338N0891808W (5NM SSE MSN) TO 430427N0891602W (5NM SE MSN) TO POINT OF ORIGIN 1000FT-2000FT AGL INCLUDING MSN RWY 36 FINAL AND 60DEG EITHER SIDE, ACFT CS FLC81 2606101430-2606101830
6/10/26
1230Z
6/10/26
2355Z
!MSN 06/026 MSN NAV ILS RWY 18 U/S 2606101230-2606102355
6/10/26
1230Z
6/10/26
2355Z
!MSN 06/025 MSN NAV ILS RWY 36 U/S 2606101230-2606102355
6/9/26
2300Z
6/10/26
0100Z
!MSN 06/063 MSN AIRSPACE UAS WI AN AREA DEFINED AS 0.2NM RADIUS OF 425128.50N0892550.50W (8.4NM N 54W) SFC-50FT AGL 2606092300-2606100100
6/9/26
1215Z
6/9/26
1400Z
Runway!MSN 06/056 MSN RWY 18/36 CLSD 2606091215-2606091400
6/9/26
0739Z
6/9/26
1214Z
Runway!MSN 06/060 MSN RWY 18 FICON 5/5/5 100 PCT WET OBS AT 2606090739. 2606090739-2606091214
6/5/26
0311Z
!MSN 06/027 MSN NAV ILS RWY 36 GP U/S 2606050311-2606302000EST
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
6/9/26
1224Z
9/3/26
2359Z
AerodromeAERODROME HI-TACAN RWY18 AND RWY36 FOR F-35 ACFT PROHIBITED DUE TO SIGNIFICANT COURSE DEVIATION
6/9/26
1219Z
6/12/26
1219Z
M0018/26 NOTAMC M0017/26
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.