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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
10/1/26-10/29/26
KMSN VFR
12:53 PM CDT  
Few 25,000'
10sm
66°F
41°F
30.19"Hg
310° 8kts
Gusts 17kts
AO2 SLP222 T01890050 10189 20100 50003 $
METAR KMSN 041753Z 31008G17KT 10SM FEW250 19/05 A3019 RMK AO2 SLP222 T01890050 10189 20100 50003 $
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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 9/14
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve
Full Serve 6.99 6.89 6.92
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.

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, 10/4 12:20 PM CDT
Sun, 10/4 1:00 PM CDT - Mon, 10/5 1:00 PM CDT
VFR
1:00 PM CDT - 6:00 PM CDT
Sky Clear
6sm
320° 10kts
Gusts 18kts
VFR
6:00 PM CDT - 1:00 PM CDT
Sky Clear
6sm
VRB° 4kts
TAF KMSN 041720Z 0418/0518 32010G18KT P6SM SKC
   FM042300 VRB04KT P6SM SKC
KMSN
EffectiveExpiresCategoryNOTAM
Domestic
10/7/26
2000Z
10/7/26
2359Z
!MSN 10/022 MSN AIRSPACE FLTCK ACFT OPS WI AN AREA DEFINED AS 5NM RADIUS OF MSN SFC-3500FT AGL ACFT CS FLC81 2610072000-2610072359
10/5/26
0500Z
10/8/26
1000Z
!MSN 10/025 MSN TWY A4, B1, B2, B3, TWY B BTN TWY J AND TWY B1 CLSD DLY 0500-1000 2610050500-2610081000
10/5/26
0500Z
10/8/26
1000Z
Runway!MSN 10/024 MSN RWY 03/21 CLSD DLY 0500-1000 2610050500-2610081000
10/1/26
2004Z
10/14/26
1700Z
!MSN 10/018 MSN NAV ILS RWY 36 U/S 2610012004-2610141700
10/1/26
2004Z
10/14/26
1700Z
Runway!MSN 10/017 MSN RWY 18 ALS U/S 2610012004-2610141700
10/1/26
2003Z
10/14/26
1700Z
Runway!MSN 10/016 MSN RWY 36 ALS U/S 2610012003-2610141700
10/1/26
2003Z
10/14/26
1700Z
!MSN 10/015 MSN NAV ILS RWY 18 U/S 2610012003-2610141700
10/1/26
2002Z
10/14/26
1700Z
Runway!MSN 10/014 MSN RWY 18 PAPI U/S 2610012002-2610141700
10/1/26
1617Z
10/14/26
1700Z
Runway!MSN 10/011 MSN RWY 18/36 CLSD 2610011617-2610141700
10/1/26
1031Z
10/14/26
2300Z
!MSN 10/009 MSN TWY A2 CLSD 2610011031-2610142300
10/1/26
1031Z
10/14/26
1700Z
!MSN 10/008 MSN TWY A5, A6, B4, B5, B6, A SOUTH HLDG PAD, TWY A BTN TWY L6 AND TWY A6 CLSD 2610011031-2610141700
10/1/26
1028Z
10/14/26
1700Z
!MSN 10/007 MSN AD AP WDI FOR RWY 14 LGT U/S 2610011028-2610141700
9/29/26
1845Z
12/31/26
2300Z
Runway!MSN 09/175 MSN RWY 03 PAPI U/S 2609291845-2612312300
9/28/26
2335Z
10/31/26
2359Z
!MSN 09/170 MSN APRON EAST RAMP BTN TWY E AND TWY J SFC MARKINGS REMOVED 2609282335-2610312359
9/28/26
2325Z
10/16/26
2359Z
!MSN 09/169 MSN APRON EAST RAMP SE 400FT CLSD 2609282325-2610162359
9/28/26
2324Z
10/16/26
2359Z
!MSN 09/168 MSN TWY H BTN APCH END RWY 32 AND EAST RAMP CLSD 2609282324-2610162359
9/4/26
1024Z
!MSN 09/019 MSN NAV ILS RWY 21 NOT MNT 2609041024-2610282000EST
8/31/26
1401Z
11/27/26
2359Z
!MSN 08/198 MSN TWY M SFC PAINTED HLDG PSN SIGNS AT RWY 03/21 FADED 2608311401-2611272359
8/31/26
1349Z
11/27/26
2359Z
!MSN 08/197 MSN TWY B SFC PAINTED HLDG PSN SIGNS AT RWY 14/32 FADED 2608311349-2611272359
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
9/11/26
1525Z
!FDC 6/2465 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).
2609111525-2704231525EST
8/12/26
1744Z
!FDC 6/4398 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).
2608121744-2703242355EST
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
Military
9/28/26
1853Z
11/12/26
2100Z
M0037/26 NOTAMN Q) ZAU/QFAAM/IV/NBO/A/000/999/4308N08920W005 A) KMSN B) 2609281853 C) 2611122100 E) AERODROME HI-TACAN TO ALL RUNWAYS FOR F-35 ACFT PROHIBITED DUE TO SIGNIFICANT COURSE DEVIATION
8/31/26
1645Z
11/12/26
2359Z
Runway!KMSN M0033/26 MSN RWY 36 BAK-12 ARST SYSTEM NOT STD SOUTH CABLE PAVEMENT DEGRADATION WITHIN 200', USE CAUTION 2608311645-2611122359
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 
780/R/D/W/T 
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 
710/R/D/W/T 
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 
780/R/C/W/T 
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 WHEN ATCT CLSD 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
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.