San Antonio, Texas
8T8 San Geronimo Airpark
San Geronimo Airpark (8T8) is a non-towered, public-use airport in San Antonio, Texas, at 1,040 ft MSL. Its runway is 17/35 (3,000 by 40 ft, asphalt). CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA 8T8
- Location
- San Antonio, Texas (Bexar County). 10 NM W of the city center
- Elevation
- 1,040 ft MSL
- Position
- 29.5102° N, 98.7984° W
- Control tower
- No, non-towered
- Sectional chart
- San Antonio
- Magnetic variation
- 7° E (1985)
- Ownership
- Privately owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 17/35 | 3,000 × 40 ft | Asphalt, good condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 17 | Not stated | None listed | None listed | None listed | Not listed |
| 35 | Not stated | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief 8T8 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for San Geronimo Airpark, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.