San Marcos Airport / Thompson Field
Daylight today(Sep 6, 2026, local time)
About 12h 37m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (0)
No runway data recorded for this airport.
Airspace in this area(2)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| AUSTIN CLASS D | Class D | Controlled | GND | 3100 ft MSL |
| AUSTIN CLASS E2 | Class E | Controlled | GND | 3100 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Frequently asked questions
Where is San Marcos Airport / Thompson Field located?
San Marcos Airport / Thompson Field is closed located in San Marcos, United States.
Is the information on this page suitable for flight planning?
No. San Marcos Airport / Thompson Field data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.