San Geronimo Airpark
8T8 · San Antonio, TX · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-11-03 · night begins 06:12 PM
| Event | Local (CST) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:25 AM | 12:25Z |
| Sunrise | 06:50 AM | 12:50Z |
| Sunset | 05:47 PM | 23:47Z |
| Evening civil twilight Loggable night begins | 06:12 PM | 00:12Z |
Plan a flight from 8T8
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
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Runways
RWY 17LEFT traffic
- Heading
- 173° mag · 180° true
- Dimensions
- 3,000 × 40 ft
- TPA
- 2,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- CTAF
- 122.9
Enter the left downwind (heading 353°) on the 45° at 2,000 ft MSL (≈1,000 AGL).
More details — RWY 17
- Threshold elev
- 1,037 ft
- Markings
- basic
- Approach obstacle
- Trees, 20 ft, 201 ft from threshold, 100 ft L of centerline
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 17/35 | 3,000 ft |
Prefer one flat page? Full runway details for 8T8 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 8T8 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
KSY 112.00 · SAT 116.80 · SSF 108.40 · +3
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| KSY · Kelly | TACAN | 112.00 · 57X | — | r298° / 13.4 NM |
| SAT · San Antonio | VORTAC | 116.80 · 115X | High | r238° / 19.3 NM |
| SSF · Stinson | VOR | 108.40 | Low | r306° / 23.9 NM |
| RND · Randolph | VORTAC | 112.30 · 70X | Terminal | r264° / 26.8 NM |
| DHK · Randolph | TACAN | 109.90 · 36X | — | r262° / 27.8 NM |
| CSI · Center Point | VORTAC | 117.50 · 122X | High | r131° / 32.9 NM |
Prefer one flat list? All 8T8 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 8T8
- Coordinates
- 29.5102, -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 · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- SJT
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1981/05
- Distance from city
- 10 W
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 under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Remarks FAA · 8 notes
General
- 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.
Runways
- SHOULDERS SOFT & MUDDY WHEN WET.
Obstructions
- 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
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Also nearby: TE13 Weiblen (private) (8 NM) · 13TT Sunset Ranch (private) (8 NM) · 45TA Quihi Creek Vineyard (private) (9 NM) · 99TA Echtle Field (private) (9 NM) · XS43 Medina River Ranch (private) (12 NM)
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 in the Comms & NavAids section.
What is the longest runway at 8T8?
San Geronimo Airpark has 1 runway; the longest is 3,000 ft. See the Runways section 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: 29.5102, -98.7984.
More about 8T8
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.
Something here wrong or out of date? Report a data problem.