NOAA S-57 chart cell
Gulf Intracoastal Waterway - Redfish Bay to Corpus Christi Bay - Gulf of America
US4TX1HC
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 2,568
- S-57 layers
- 63
- Published
- Jun 12, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 27.90000° N
- South
- 27.60000° N
- West
- 97.20000° W
- East
- 96.90000° W
- Center
- 27.75000° N, 97.05000° W
- Bounds area
- 287 sq nm
- Feature density
- 8.9439 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 40.8
- Smallest layer
- 1
- Largest layer
- 321
- Area sq km
- 985
- Features per sq km
- 2.60762
- COALNE Coastline 321
- LNDARE Land area 274
- DEPCNT Depth contour 254
- SLCONS Shoreline construction 214
- DEPARE Depth area 204
- LNDRGN Land region 145
- OBSTRN Obstruction 119
- OFSPLF 105
- SBDARE Seabed area 102
- M_QUAL Data quality 77
- DAYMAR 76
- LIGHTS Light 75
- BCNSPP Special purpose beacon 70
- BCNLAT Lateral beacon 62
- PILPNT 46
- RIVERS River 44
- SEAARE Sea area 34
- DMPGRD 31
- PYLONS 27
- RETRFL 24
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/US4TX1HC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TX1HC/2.0/US4TX1HC.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1HC/2.0/US4TX1HC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1HC/2.0/US4TX1HC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1HC/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 12, 2026 | metadata.json |