Airport information
- FAA LID
- 8T8
- Coordinates
- 29.5105, -98.7984
- Elevation
- 1,040 ft MSL
- Magnetic variation
- 7E
- Sectional chart
- SAN ANTONIO
- Airport use
- Public
- Control tower
- No
- ARTCC
- HOUSTON (ZHU)
- Flight service (FSS)
- SAN ANGELO · 1-800-WX-BRIEF
- NOTAM facility
- SJT
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1981/05
- Distance from city
- 10 W
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:09 AM | 11:09Z |
| Sunrise | 06:36 AM | 11:36Z |
| Sunset | 08:38 PM | 01:38Z |
| Evening civil twilight Loggable night begins | 09:06 PM | 02:06Z |
Plan a flight from 8T8
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 17L · 173°
- Pattern
- left (turns left)
- TPA
- 2,000 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the left downwind for Rwy 17L at 2,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 17L/35R
3,000 ft × 40 ft · ASP- Heading
- 173° mag · 180° true
- Heading
- 353° mag · 360° true
| Runway | Length | Your margin |
|---|---|---|
| 17L/35R | 3,000 ft |
Communication frequencies
Tower & ground
| CTAF | 122.9 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| KSY · Kelly | TACAN | 112.00 | r295° / 13.4 NM |
| SAT · San Antonio | VORTAC | 116.80 | r238° / 19.3 NM |
| HDO · Hondo | VOR-DME | 109.40 | r056° / 22.1 NM |
| SSF · Stinson | VOR | 108.40 | r300° / 24 NM |
| RND · Randolph | VORTAC | 112.30 | r260° / 26.8 NM |
| DHK · Randolph | TACAN | 109.90 | r258° / 27.8 NM |
| CSI · Center Point | VORTAC | 117.50 | r131° / 32.9 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Ownership & management
Remarks FAA
- 15 FT HGRS 112 FT WEST ALONG RWY.
- LIMIT 3 TGLS DURG DAYTIME.
- FOR CD CTC SAN ANTONIO APCH AT 210-805-5516.
- POWERED PARACHUTES PROHIBITED.
- WILDLIFE ON & INVOF ARPT.
- SHOULDERS SOFT & MUDDY WHEN WET.
- 22 FT TREES 100 FT EAST OF CNTRLN FULL LENGTH OF RWY.
- 22 FT TREES 100 FT EAST OF CNTRLN FULL LENGTH OF RWY.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 8T8 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
About 8T8
San Geronimo Airpark (8T8) is an airport in San Antonio, TX, at 1,040 ft MSL. It has 1 runway, the longest 3,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 8T8, refreshed from the Aviation Weather Center and FAA NASR.
Does 8T8 have a control tower?
No. San Geronimo Airpark is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 8T8?
San Geronimo Airpark has 1 runway; the longest is 3,000 ft. See the Runways tab for headings, surface, and lighting.
Where is 8T8?
San Geronimo Airpark is in San Antonio, TX, at an elevation of 1,040 ft MSL. Coordinates: 29.5105, -98.7984.
Fly out of 8T8 often?
Save 8T8 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.