NOAA S-57 chart cell
Vermilion River and Bayou Teche
US4LA1HG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 122
- S-57 layers
- 30
- Published
- Jun 12, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.30000° N
- South
- 30.00000° N
- West
- 92.10000° W
- East
- 91.80000° W
- Center
- 30.15000° N, 91.95000° W
- Bounds area
- 281 sq nm
- Feature density
- 0.4349 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 4.1
- Smallest layer
- 1
- Largest layer
- 19
- Area sq km
- 962
- Features per sq km
- 0.12679
- BUAARE 19
- BRIDGE 18
- CBLOHD 17
- VEGATN 14
- CBLARE 5
- COALNE Coastline 5
- RIVERS River 5
- PIPARE 4
- DEPARE Depth area 3
- M_QUAL Data quality 3
- SEAARE Sea area 3
- BCNSPP Special purpose beacon 2
- CTNARE Caution area 2
- LIGHTS Light 2
- LNDARE Land area 2
- LNDRGN Land region 2
- MAGVAR Magnetic variation 2
- WRECKS Wreck 2
- AIRARE 1
- CANALS 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/US4LA1HG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4LA1HG/1.0/US4LA1HG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4LA1HG/1.0/US4LA1HG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4LA1HG/1.0/US4LA1HG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4LA1HG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 12, 2024 | metadata.json |