Harrison County Airport (KASL) is a county-owned public-use airport. It is located three nautical miles (6 km) southeast of the central business district of Marshall, Texas and covers an area of 480 acres at an elevation of 357 feet. It has two asphalt paved runways: 15/33 is 5,002 by 100 feet and 2/20 is 3,299 by 60 feet. Most of the activity stems from flight training and corporate activity. The airport facilitates business and tourist access to surrounding communities. Medical air evacuation operations are low in number, but the airport provides fuel services, has ramp space for ambulance access, and strives to meet the needs of medical crews for this increasingly important service.