Airport information
- FAA LID
- T20
- Coordinates
- 29.5292, -97.4643
- Elevation
- 354 ft MSL
- Magnetic variation
- 7E
- Sectional chart
- SAN ANTONIO
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3 · 125.875 · ☎ 830-519-4254
- ARTCC
- HOUSTON (ZHU)
- Flight service (FSS)
- SAN ANGELO · 1-800-WX-BRIEF
- NOTAM facility
- T20
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1955/11
- Distance from city
- 2 NW
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 | 06:03 AM | 11:03Z |
| Sunrise | 06:31 AM | 11:31Z |
| Sunset | 08:33 PM | 01:33Z |
| Evening civil twilight Loggable night begins | 09:00 PM | 02:00Z |
Plan a flight from T20
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- 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 15 · 143°
- Pattern
- left (turns left)
- TPA
- 1,400 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the left downwind for Rwy 15 at 1,400 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 15/33
3,200 ft × 50 ft · Asphalt (Fair)- Heading
- 143° mag · 150° true
- Threshold elev
- 342 ft
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Trees, 13 ft, 200 ft from threshold, 120 ft R of centerline
- Heading
- 323° mag · 330° true
- Threshold elev
- 352 ft
- Markings
- basic
- Traffic pattern
- Right
- Approach obstacle
- Tower, 130 ft, 2,600 ft from threshold, 170 ft L of centerline — 18:1 slope to clear · penetrates the 20:1 visual approach surface
| Runway | Length | Your margin |
|---|---|---|
| 15/33 | 3,200 ft |
Communication frequencies
Tower & ground
| ASOS/AWOS | 125.875 |
| CTAF | 122.9 |
Source: FAA NASR (current 28-day cycle).
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Remarks FAA
- EXISTED PRIOR TO 1959.
- RWY 33 5 FT HILL, 80 FT R & L OF CNTRLN FROM THR NORTH 500 FT.
- FOR CD CTC AUSTIN APCH AT 512-369-7865.
- RWY 33, 100 FT ELEC TRANSMISSION LINE ACRS S APCH, 2400 FT DSTC, MKD & LGTD.
- MIRL RWY 15/33 PRESET ON LOW INTST; TO INCR INTST ACTVT - 123.0.
- 830-263-2145 MGR CELL.
- FUEL SELF-SERVE.
- 22 FT TREES 59-199 DSTC, 120 FT R; +4 FT FENCE 120 FT R AT THR.
- 4 FT FENCE AT THR, 122 FT R.
- APCH RATIO 20:1 TO THR.
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 T20 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 T20
Roger M Dreyer Memorial Airport (T20) is an airport in Gonzales, TX, at 354 ft MSL. It has 1 runway, the longest 3,200 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for T20, refreshed from the Aviation Weather Center and FAA NASR.
Does T20 have a control tower?
No. Roger M Dreyer Memorial Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at T20?
Roger M Dreyer Memorial Airport has 1 runway; the longest is 3,200 ft. See the Runways tab for headings, surface, and lighting.
Where is T20?
Roger M Dreyer Memorial Airport is in Gonzales, TX, at an elevation of 354 ft MSL. Coordinates: 29.5292, -97.4643.
Fly out of T20 often?
Save T20 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.