NOAA S-57 chart cell
Gulf Intracoastal Waterway - Laguna Madre to Gulf of America
US4TX1EB
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 699
- S-57 layers
- 35
- Published
- Apr 24, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 27.00000° N
- South
- 26.70000° N
- West
- 97.50000° W
- East
- 97.20000° W
- Center
- 26.85000° N, 97.35000° W
- Bounds area
- 289 sq nm
- Feature density
- 2.4148 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 20
- Smallest layer
- 1
- Largest layer
- 202
- Area sq km
- 993
- Features per sq km
- 0.70405
- COALNE Coastline 202
- LNDRGN Land region 85
- DEPARE Depth area 47
- DEPCNT Depth contour 41
- BCNLAT Lateral beacon 33
- DAYMAR 33
- RETRFL 33
- SBDARE Seabed area 28
- LNDARE Land area 26
- PILPNT 24
- OBSTRN Obstruction 19
- M_QUAL Data quality 18
- FAIRWY Fairway 14
- LIGHTS Light 13
- DMPGRD 11
- LAKARE 11
- OFSPLF 11
- RIVERS River 7
- CTNARE Caution area 6
- SLOGRD 6
Nearby Chart Cells
Approach usage band
Current Edition Files
The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US4TX1EB.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4TX1EB/1.1/US4TX1EB.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4TX1EB/1.1/US4TX1EB.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1EB/1.1/US4TX1EB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1EB/1.1/US4TX1EB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1EB/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Apr 24, 2026 | metadata.json |