NOAA S-57 chart cell
Gulf Intracoastal Waterway - Corpus Christi Bay to Laguna Madre
US4TX1HB
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 3,157
- S-57 layers
- 62
- Published
- Jun 12, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 27.90000° N
- South
- 27.60000° N
- West
- 97.50000° W
- East
- 97.20000° W
- Center
- 27.75000° N, 97.35000° W
- Bounds area
- 287 sq nm
- Feature density
- 10.9953 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 50.9
- Smallest layer
- 1
- Largest layer
- 431
- Area sq km
- 985
- Features per sq km
- 3.20571
- SLCONS Shoreline construction 431
- DEPCNT Depth contour 330
- COALNE Coastline 308
- DEPARE Depth area 308
- LNDARE Land area 259
- DAYMAR 180
- BCNLAT Lateral beacon 137
- LIGHTS Light 130
- OBSTRN Obstruction 96
- BCNSPP Special purpose beacon 90
- SBDARE Seabed area 85
- M_QUAL Data quality 77
- PILPNT 68
- LNDRGN Land region 62
- FAIRWY Fairway 60
- DYKCON 59
- RETRFL 33
- OFSPLF 32
- DMPGRD 28
- SILTNK 27
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/US4TX1HB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TX1HB/3.0/US4TX1HB.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1HB/3.0/US4TX1HB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1HB/3.0/US4TX1HB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1HB/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | Jun 12, 2026 | metadata.json |