KMSN is the ICAO code for Dane County Regional Truax Field (IATA MSN), located in Madison, WI.
Dane County Regional Truax Field (KMSN) is a medium airport in Madison, WI. Pilots and dispatchers reference it by ICAO code KMSN or IATA code MSN. It sits in North America.
Dane County Regional Truax Field is a regional commercial airport that doubles as a busy private-aviation base. Operators benefit from full instrument approaches and an FBO infrastructure scaled for regular jet traffic, often without the congestion of the nearest major hub.
The longest runway measures 9,006 ft (2,745 m), a ultra-long-range-class field. Representative aircraft that operate comfortably here include the Gulfstream G650, Bombardier Global 7500, and Dassault Falcon 8X. In practice this transcontinental and transoceanic operations without performance penalties.
Dane County Regional Truax Field sits near sea level at 887 ft.
Local operations run on America/Chicago. Scheduled airline service is light enough that it rarely interferes with charter movements, though planners should still expect to coordinate with the handling agent for international turnarounds.
SkyAccess currently tracks 222 departing and 183 arriving private-jet legs at KMSN across the next six months of operator inventory. 4 charter operators have run trips through this field in our recent inventory window.
Regional fields like KMSN are a meaningful share of US private aviation — closer to the trip's actual origin or destination than the nearest major hub, with shorter ramp-to-cabin times that are the main reason owners and brokers prefer them.