KDEC is the ICAO code for Decatur Airport (IATA DEC), located in Decatur, IL.
Decatur Airport (KDEC) is a medium airport in Decatur, IL. Pilots and dispatchers reference it by ICAO code KDEC or IATA code DEC. It sits in North America.
Decatur Airport 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 8,496 ft (2,590 m), a heavy-class field. Representative aircraft that operate comfortably here include the Gulfstream G550, Falcon 7X, and Bombardier Global 5500. In practice this most heavy and super-midsize jets operate here without restriction.
Decatur Airport sits near sea level at 682 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 193 departing and 92 arriving private-jet legs at KDEC 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 KDEC 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.