NOAA S-57 chart cell
Gulf Intracoastal Waterway - Sabine Neches Canal, Sabine Lake, and Neches River
US4TX1OM
- Usage band
- Approach · code 4
- Current edition
- 1.3
- Features
- 1,070
- S-57 layers
- 53
- Published
- Nov 19, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.00000° N
- South
- 29.70000° N
- West
- 94.20000° W
- East
- 93.90000° W
- Center
- 29.85000° N, 94.05000° W
- Bounds area
- 281 sq nm
- Feature density
- 3.8025 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 20.2
- Smallest layer
- 1
- Largest layer
- 170
- Area sq km
- 965
- Features per sq km
- 1.10863
- SLCONS Shoreline construction 170
- COALNE Coastline 150
- LNDRGN Land region 78
- DYKCON 71
- LIGHTS Light 58
- OBSTRN Obstruction 53
- DEPARE Depth area 45
- BCNSPP Special purpose beacon 41
- RIVERS River 33
- LAKARE 31
- DAYMAR 30
- MORFAC 28
- PILPNT 23
- BCNLAT Lateral beacon 22
- LNDARE Land area 21
- DEPCNT Depth contour 20
- WRECKS Wreck 19
- M_QUAL Data quality 14
- SILTNK 12
- CBLOHD 11
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/US4TX1OM.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4TX1OM/1.3/US4TX1OM.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4TX1OM/1.3/US4TX1OM.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4TX1OM/1.3/US4TX1OM.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/approach/US4TX1OM/1.3/US4TX1OM.003
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1OM/1.3/US4TX1OM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1OM/1.3/US4TX1OM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1OM/1.3/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.3 | Nov 19, 2025 | metadata.json |