KART is the ICAO code for Watertown International Airport (IATA ART), located in Watertown, NY.
Watertown International Airport (KART) is a medium airport in Watertown, NY. Pilots and dispatchers reference it by ICAO code KART or IATA code ART. It sits in North America.
Watertown International 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 7,001 ft (2,134 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.
Watertown International Airport sits near sea level at 325 ft.
Local operations run on America/New_York. 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 73 departing and 147 arriving private-jet legs at KART across the next six months of operator inventory. 3 charter operators have run trips through this field in our recent inventory window.
Regional fields like KART 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.