Dane County Rgnl/Truax Field
MSN · KMSN · Madison, Wisconsin · Dane County · map
Dane County Rgnl/Truax Field is a public-use airport owned by Dane County, 5 miles northeast of Madison, Wisconsin, 887 feet above sea level. It has 3 runways; the longest, 18/36, is 9,006 feet of concrete. It has a control tower and fuel (100LL avgas, Jet A, Jet A with additives).
Weather right now KMSN · observed 1:53 pm CDT (18:53 UTC), 62 minutes ago
VFR good flying weather
- Wind from the southwest (220°) at 11 knots, gusting to 18
- Visibility 10 miles or more
- Sky: scattered clouds at 25,000 feet
- Temperature 73°F (23°C), dew point 45°F (7°C)
- Altimeter 29.91 inHg
The forecast issued Tue 12:38 pm CDT (17:38 UTC), good until Wed 1:00 pm CDT (18:00 UTC)
- From Tue 1:00 pm CDT (18:00 UTC): wind from the south-southwest at 15 knots, gusting to 25, visibility more than 6 miles, a few clouds at 15,000 feet VFR
- From Tue 6:00 pm CDT (23:00 UTC): wind from the south-southwest at 11 knots, gusting to 20, visibility more than 6 miles, a few clouds at 15,000 feet VFR
- From Tue 8:00 pm CDT (01:00 UTC): wind from the south-southwest at 10 knots, visibility more than 6 miles, low-level wind shear, a few clouds at 15,000 feet VFR
- From Wed 1:00 am CDT (06:00 UTC): wind from the west-southwest at 8 knots, visibility more than 6 miles, a few clouds at 15,000 feet VFR
- From Wed 5:00 am CDT (10:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, a few clouds at 12,000 feet VFR
- From Wed 12:00 pm CDT (17:00 UTC): wind from the northwest at 10 knots, gusting to 18, visibility more than 6 miles, clear skies VFR
The codes as issued (METAR and TAF)
METAR KMSN 061853Z 22011G18KT 10SM SCT250 23/07 A2991 RMK AO2 SLP128 T02280072
TAF KMSN 061738Z 0618/0718 20015G25KT P6SM FEW150 FM062300 21011G20KT P6SM FEW150 FM070100 21010KT P6SM FEW150 WS020/23040KT FM070600 24008KT P6SM FEW150 FM071000 30005KT P6SM FEW120 FM071700 31010G18KT P6SM SKC
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
The airport
- Codes
- FAA MSN · ICAO KMSN
- Kind
- Airport · open to the public · publicly owned
- Owner
- Dane County
- Elevation
- 887 feet above sea level
- Control tower
- A control tower with a TRACON · 6:00 am to 11:00 pm
- Attended
- around the clock
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, Jet A, Jet A with additives
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- hangar
- Notes
- certified for airline service (Part 139)
- On the chart
- Chicago sectional
- Magnetic variation
- 3W
- In the FAA's files since
- September 1937
Runways 3
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 18/36 | 9,006 × 150 ft | Concrete, fair | High-intensity lights |
| 03/21 | 7,200 × 150 ft | Concrete, good | High-intensity lights |
| 14/32 | 5,846 × 150 ft | Concrete, good | High-intensity lights |
- Runway 18: ILS with DME, PAPI, four lights on the left, medium-intensity approach lights with runway alignment lights (MALSR), threshold displaced 400 ft, 8,606 ft available for landing, hill 50 ft high 1,634 ft from the end
- Runway 36: ILS with DME, PAPI, four lights on the left, approach lights with sequenced flashers (ALSF-2), threshold displaced 1,001 ft, 8,006 ft available for landing
- Runway 03: PAPI, four lights on the left, threshold displaced 431 ft, 6,770 ft available for landing, trees 72 ft high 2,760 ft from the end
- Runway 21: ILS with DME, PAPI, four lights on the left, medium-intensity approach lights with runway alignment lights (MALSR), 7,015 ft available for landing, road 19 ft high 2,050 ft from the end
- Runway 14: PAPI, four lights on the left, threshold displaced 477 ft, 5,369 ft available for landing
- Runway 32: PAPI, four lights on the left, tree 112 ft high 4,047 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · Tower | 119.3 | Madison |
| UNICOM | 122.95 | |
| ATIS (recorded airport information) | 124.65 | Madison |
| Clearance delivery | 121.625 | Madison |
| Ground | 121.9 | Madison |
| Approach and departure | 119.15 | |
| Approach and departure · Class C airspace · Approach (secondary) Departure (secondary) East | 120.1 | Madison |
| Approach and departure · Class C airspace West | 135.45 | Madison |
| Emergency | 121.5 | Madison |
| Ang and operations | 123.4 | Madison |
| Lone Rock Center (remote transmitter) Low | 133.3 | Madison |
| Ang and operations | 138.175 | Madison |
Automated weather (ASOS), by phone 608-410-1285.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Madison from the FAA register
178 aircraft are registered to owners in Madison, Wisconsin: 136 piston singles, 13 business jets, 8 turboprops, 6 drones, 5 piston twins. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Wisconsin.
Accidents and incidents at or near this airport NTSB records · 22 since 1982, 1 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Activate approach lights (MALSR) runway 18 and 21; runway end identifier lights runway 03, 14 and 32; high-intensity runway lights runway 03/21, 14/32 and 18/36 - the common traffic frequency. When the control tower closed high-intensity runway lights runway 18/36 preset low intst; incr intst - the common traffic frequency.
- Military: ovhd traffic pattern altitude rstrd to 3500 feet above sea level; runway 18/36 L turn.
- BAK-14 BAK-12(B) (1900').
- BAK-14 BAK-12(B) (1620').
- BAK-14 BAK-12(B) (1750').
- ALSF2 operators as ssalr when tower closed.
- Runway CC not reported.
- Runway CC not reported.
- Unusable beyond 9 degreess right of centerline.
- Tap
- Approach ratio 40:1 from dthr.
- West ramp rstrd to air carrier.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.