Dane County Regional Truax Field (KMSN)
Medium airport · Madison, Wisconsin, United States
Airport data
| Name | Dane County Regional Truax Field |
|---|---|
| ICAO | KMSN |
| IATA | MSN |
| Elevation | 887 ft (270 m) above mean sea level |
| Coordinates | N 43°8'24" W 89°20'15" 43.13990, -89.33750 |
| Location | Madison, Wisconsin, United States |
| Scheduled service | Yes |
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 03/21 | 7,200 ft (2195 m) | 150 ft | CON | Yes |
| 14/32 | 5,846 ft (1782 m) | 150 ft | CON | Yes |
| 18/36 | 9,006 ft (2745 m) | 150 ft | CON | Yes |
Dane County Regional Truax Field at a glance
Dane County Regional Truax Field is a medium airport in Madison, Wisconsin, United States, known to airline systems as MSN. The field elevation of 887 ft (270 m) is the number every arriving pilot dials against QNH — circuit heights and initial approach altitudes at KMSN are all figured from it. The airport handles scheduled commercial service, so expect controlled procedures, published approaches and commercial traffic in the pattern.
Of its 3 runways, the longest — 18/36 — offers 9,006 ft (2745 m) of con surface, with runway lighting for night operations. Runway numbers give magnetic orientation: runway 18 points roughly 180° magnetic.
For the weather side of planning, the live METAR and TAF page for KMSN shows the current observation decoded line by line — wind on an instrument dial, visibility, cloud layers and the resulting flight rules — refreshed continuously from official sources.
Nearest airports to Dane County Regional Truax Field
Distances are great-circle, measured from the field reference point — planning distances along airways or roads will run longer.
| Airport | Code | Distance |
|---|---|---|
| Chicago Rockford International Airport | KRFD | 107 km (58 NM) |
| Wittman Regional Airport | KOSH | 113 km (61 NM) |
| Volk Field | KVOK | 116 km (63 NM) |
| General Mitchell International Airport | KMKE | 119 km (64 NM) |
| Kenosha Regional Airport | KENW | 130 km (70 NM) |
Flight-planning notes for Dane County Regional Truax Field
Density altitude is the quiet performance-killer at any field: on a hot day the 887 ft field elevation of Dane County Regional Truax Field can translate into a substantially higher density altitude, stretching take-off rolls and flattening climb rates — run the numbers rather than trusting the feel of a standard day. Expect published instrument procedures, controlled airspace and clearance requirements; slots and handling may apply to general aviation traffic.
This entry is one of 917 airports and airfields we list for United States — the country index on the airports hub links the rest. Coordinates above are given in both DMS and decimal degrees so they can go straight into a GPS, a flight planner or a chart plot without conversion.
Where this data comes from
The reference layer behind this page builds on the OurAirports dataset — a public-domain, community-maintained register of the world's airports that many flight planners and apps rely on — with equity records preserved from documented historical listings where the dataset is silent. Figures are carried as published: elevations as surveyed, coordinates as filed, runway dimensions as recorded. Nothing is estimated to fill a gap, and the whole layer regenerates from source on every site build, so corrections upstream arrive here automatically.
Frequently asked questions about Dane County Regional Truax Field
What is the ICAO code of Dane County Regional Truax Field?
The ICAO identifier of Dane County Regional Truax Field is KMSN, and its IATA code is MSN. The ICAO code is the one used in flight plans, METAR reports and aeronautical charts.
How high is Dane County Regional Truax Field above sea level?
Dane County Regional Truax Field sits at an elevation of 887 feet (270 metres) above mean sea level. Field elevation is the reference for pattern altitudes and for setting the altimeter on the ground.
Where exactly is Dane County Regional Truax Field located?
The airport lies at 43.1399, -89.3375 — in Madison, Wisconsin, United States, in the northern hemisphere. The closest listed field is Chicago Rockford International Airport, about 107 km away.
Does KMSN publish METAR weather reports?
Where the station reports, the current METAR and TAF for KMSN appear on its live weather page on this site, refreshed continuously from the US NWS Aviation Weather Center feed.
How long is the runway at Dane County Regional Truax Field?
Dane County Regional Truax Field has 3 runways. The longest, 18/36, measures 9,006 ft (2745 m) with a CON surface.