NOAA S-57 chart cell
Atchafalaya River
US4LA1KG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 29
- S-57 layers
- 18
- Published
- Jun 12, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 31.20000° N
- South
- 30.90000° N
- West
- 92.10000° W
- East
- 91.80000° W
- Center
- 31.05000° N, 91.95000° W
- Bounds area
- 278 sq nm
- Feature density
- 0.1043 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 1.6
- Smallest layer
- 1
- Largest layer
- 3
- Area sq km
- 953
- Features per sq km
- 0.03042
- DYKCON 3
- LNDRGN Land region 3
- MAGVAR Magnetic variation 3
- BUAARE 2
- COALNE Coastline 2
- DISMAR 2
- LNDARE Land area 2
- SEAARE Sea area 2
- BCNLAT Lateral beacon 1
- BRIDGE 1
- CBLOHD 1
- DEPARE Depth area 1
- LAKARE 1
- LIGHTS Light 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 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/US4LA1KG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4LA1KG/1.0/US4LA1KG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4LA1KG/1.0/US4LA1KG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4LA1KG/1.0/US4LA1KG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4LA1KG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 12, 2024 | metadata.json |