Airport information
- FAA LID
- 5TX1
- Coordinates
- 30.7931, -99.2165
- Elevation
- 1,684 ft MSL
- Sectional chart
- SAN ANTONIO
- Airport use
- Private
- Control tower
- No
- ARTCC
- HOUSTON (ZHU)
- Flight service (FSS)
- SAN ANGELO · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2015/10
- Distance from city
- 3 NNE
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 | 06:07 AM | 11:07Z |
| Sunrise | 06:34 AM | 11:34Z |
| Sunset | 08:43 PM | 01:43Z |
| Evening civil twilight Loggable night begins | 09:11 PM | 02:11Z |
Plan a flight from 5TX1
Traffic pattern
- Landing
- Rwy 2
- Pattern
- left (turns left)
- TPA
- 2,700 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 2 at 2,700 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 2/20
1,300 ft · Turf- Heading
- n/a
- Heading
- n/a
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 2/20 | 1,300 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| LLO · Llano | VORTAC | 108.20 | r262° / 22.1 NM |
| JCT · Junction | VORTAC | 116.00 | r061° / 33.2 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 5TX1. VFR sectional link above.
Ownership & management
Remarks FAA
- FOR CD CTC HOUSTON ARTCC AT 281-230-5622.
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 5TX1 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 5TX1
Bar Triangle Airport (5TX1) is an airport in Mason, TX, at 1,684 ft MSL. It has 1 runway, the longest 1,300 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 5TX1, refreshed from the Aviation Weather Center and FAA NASR.
Does 5TX1 have a control tower?
No. Bar Triangle Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 5TX1?
Bar Triangle Airport has 1 runway; the longest is 1,300 ft. See the Runways tab for headings, surface, and lighting.
Where is 5TX1?
Bar Triangle Airport is in Mason, TX, at an elevation of 1,684 ft MSL. Coordinates: 30.7931, -99.2165.
Fly out of 5TX1 often?
Save 5TX1 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.