ASL in 20 seconds
Harrison County Airport (IATA: ASL, ICAO: KASL) serves Marshall, US.
The Harrison County Airport (KASL, ASL) is a county-owned public-use airport located three nautical miles southeast of Marshall, Texas, in Harrison County, US.,
- It covers an area of 480 acres at an elevation of 357.1 feet.,
- The airport has two asphalt paved runways: 15/33 is 5,002 by 100 feet, and 2/20 is 3,299 by 60 feet (also listed as 3,304 ft).,
- There is no control tower; it is a non-towered airport, using CTAF 122.8.,
- The airport's primary activities include flight training and corporate aviation, and it provides fuel services (100LL, Jet A) and ramp space for medical air evacuation operations.,
- It was activated in November 1937.
*Sources researched: nfdc.faa.gov, newtools.cira.state.tx.us, airnav.com, airports-worldwide.com, pilotgpt.com*
AirportRoutes · updated Jun 8, 2026
Traveler reviews & tips
From people who've recently flown through Marshall.
Rate this airport:
No tips for ASL yet — be the first to help fellow travelers.
Share your tip or review
Help fellow travelers at Harrison County Airport. Tips are reviewed before publishing.
Common questions about ASL
Quick answers, straight from the schedule data.
Where is Harrison County Airport located?
Harrison County Airport is located in Marshall, US, at an elevation of 357 ft. Its IATA code is ASL and ICAO code is KASL.