Airport information
- FAA LID
- 4TX0
- Coordinates
- 29.8636, -94.8344
- Elevation
- 35 ft MSL
- Magnetic variation
- 6E
- Sectional chart
- HOUSTON
- Airport use
- Private
- Control tower
- No
- ARTCC
- HOUSTON (ZHU)
- Flight service (FSS)
- MONTGOMERY COUNTY
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1989/11
- Distance from city
- 0 N
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:52 AM | 10:52Z |
| Sunrise | 06:19 AM | 11:19Z |
| Sunset | 08:23 PM | 01:23Z |
| Evening civil twilight Loggable night begins | 08:51 PM | 01:51Z |
Plan a flight from 4TX0
Traffic pattern
- Landing
- Rwy 15
- Pattern
- left (turns left)
- TPA
- 1,000 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 15 at 1,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 15/33
3,500 ft × 50 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Pline, 40 ft, 0 ft from threshold
- Displaced threshold
- 500 ft
- Heading
- 263° mag · 269° true
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 15/33 | 3,500 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MHF · Trinity | VOR-DME | 113.60 | r340° / 19.6 NM |
| DAS · Daisetta | VORTAC | 116.90 | r202° / 21.9 NM |
| EFD · Ellington | TACAN | 109.40 | r043° / 23 NM |
| HUB · Hobby | VOR-DME | 117.10 | r056° / 26.2 NM |
| IAH · Humble | VORTAC | 116.60 | r097° / 27.2 NM |
| VUH · Scholes | VORTAC | 113.00 | r357° / 35.7 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4TX0. 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 4TX0 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 4TX0
Slack Airport (4TX0) is an airport in Mont Belvieu, TX, at 35 ft MSL. It has 1 runway, the longest 3,500 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4TX0, refreshed from the Aviation Weather Center and FAA NASR.
Does 4TX0 have a control tower?
No. Slack Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 4TX0?
Slack Airport has 1 runway; the longest is 3,500 ft. See the Runways tab for headings, surface, and lighting.
Where is 4TX0?
Slack Airport is in Mont Belvieu, TX, at an elevation of 35 ft MSL. Coordinates: 29.8636, -94.8344.
Fly out of 4TX0 often?
Save 4TX0 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.