Roger M Dreyer Memorial Airport
T20 · Gonzales, TX · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:46 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:26 AM | 11:26Z |
| Sunrise | 06:51 AM | 11:51Z |
| Sunset | 08:20 PM | 01:20Z |
| Evening civil twilight Loggable night begins | 08:46 PM | 01:46Z |
Plan a flight from T20
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 15LEFT traffic
- Heading
- 149° mag · 156° true
- Dimensions
- 3,200 × 50 ft
- TPA
- 1,400 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- CTAF
- 122.9
Enter the left downwind (heading 329°) on the 45° at 1,400 ft MSL (≈1,000 AGL).
More details — RWY 15
- Threshold elev
- 342 ft
- Markings
- basic
- Approach obstacle
- Trees, 15 ft, 388 ft from threshold, 60 ft L of centerline — 12:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 15/33 | 3,200 ft |
Prefer one flat page? Full runway details for T20 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the T20 kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All T20 frequencies →
Charts & procedures
Airport info
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 · 122.2 · 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
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 under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 9 notes
General
- 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.
- NO LINE OF SIGHT BTN RWY ENDS.
Lighting
- MIRL RWY 15/33 PRESET ON LOW INTST; TO INCR INTST ACTVT - 123.0.
Fuel
- FUEL SELF-SERVE.
Obstructions
- 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.
Contact
- 830-263-2145 MGR CELL.
Nearby airports
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Also nearby: 32TA Wilbourn Ranch Airport (private) (10 NM) · 90TT WT Airpark (private) (14 NM) · TE36 Gerum Farm Airport (private) (17 NM) · XS49 Dean Ranch Airport (private) (18 NM) · 2TE5 Piano Ranch Airport (private) (19 NM) · 85TE Old Kingsbury Aerodrome (private) (19 NM)
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 in the Comms & NavAids section.
What is the longest runway at T20?
Roger M Dreyer Memorial Airport has 1 runway; the longest is 3,200 ft. See the Runways section 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.
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.