NOAA S-57 chart cell
Gulf Intracoastal Waterway - Laguna Madre to Gulf of America including Port Mansfield Channel
US4TX1CB
- Usage band
- Approach · code 4
- Current edition
- 2.2
- Features
- 1,147
- S-57 layers
- 49
- Published
- Apr 24, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 26.70000° N
- South
- 26.40000° N
- West
- 97.50000° W
- East
- 97.20000° W
- Center
- 26.55000° N, 97.35000° W
- Bounds area
- 290 sq nm
- Feature density
- 3.9521 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 23.4
- Smallest layer
- 1
- Largest layer
- 143
- Area sq km
- 995
- Features per sq km
- 1.15225
- COALNE Coastline 143
- DAYMAR 90
- DEPCNT Depth contour 90
- BCNLAT Lateral beacon 88
- DEPARE Depth area 82
- OBSTRN Obstruction 80
- PILPNT 73
- RETRFL 65
- SLCONS Shoreline construction 64
- LNDARE Land area 53
- LNDRGN Land region 43
- OFSPLF 39
- LIGHTS Light 29
- DMPGRD 23
- BUISGL 22
- M_QUAL Data quality 22
- SBDARE Seabed area 21
- UNSARE 17
- LAKARE 12
- WRECKS Wreck 10
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/US4TX1CB.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4TX1CB/2.2/US4TX1CB.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4TX1CB/2.2/US4TX1CB.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4TX1CB/2.2/US4TX1CB.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1CB/2.2/US4TX1CB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1CB/2.2/US4TX1CB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1CB/2.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.2 | Apr 24, 2026 | metadata.json |