NOAA S-57 chart cell
Gulf of America
US4TX1GC
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 89
- S-57 layers
- 22
- Published
- Mar 30, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 27.60000° N
- South
- 27.30000° N
- West
- 97.20000° W
- East
- 96.90000° W
- Center
- 27.45000° N, 97.05000° W
- Bounds area
- 288 sq nm
- Feature density
- 0.3091 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 4
- Smallest layer
- 1
- Largest layer
- 34
- Area sq km
- 988
- Features per sq km
- 0.09013
- SBDARE Seabed area 34
- OFSPLF 9
- PIPSOL 7
- DEPARE Depth area 6
- DEPCNT Depth contour 5
- M_QUAL Data quality 4
- SOUNDG Sounding 4
- OBSTRN Obstruction 3
- ADMARE 2
- MAGVAR Magnetic variation 2
- WRECKS Wreck 2
- CONZNE 1
- COSARE 1
- CTNARE Caution area 1
- EXEZNE 1
- FAIRWY Fairway 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MORFAC 1
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/US4TX1GC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TX1GC/3.0/US4TX1GC.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1GC/3.0/US4TX1GC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1GC/3.0/US4TX1GC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1GC/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | Mar 30, 2026 | metadata.json |