NOAA S-57 chart cell
West Pearl River and Lacombe Bayou
US4LA1IN
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 59
- S-57 layers
- 21
- Published
- Jun 12, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.60000° N
- South
- 30.30000° N
- West
- 90.00000° W
- East
- 89.70000° W
- Center
- 30.45000° N, 89.85000° W
- Bounds area
- 280 sq nm
- Feature density
- 0.2109 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 2.8
- Smallest layer
- 1
- Largest layer
- 9
- Area sq km
- 959
- Features per sq km
- 0.0615
- COALNE Coastline 9
- RIVERS River 7
- DEPARE Depth area 5
- SEAARE Sea area 5
- BRIDGE 4
- CBLOHD 4
- LNDRGN Land region 4
- M_QUAL Data quality 4
- BUAARE 3
- CTNARE Caution area 2
- LNDARE Land area 2
- CBLARE 1
- DEPCNT Depth contour 1
- DRGARE 1
- FAIRWY Fairway 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SBDARE Seabed area 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/US4LA1IN.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4LA1IN/1.0/US4LA1IN.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4LA1IN/1.0/US4LA1IN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4LA1IN/1.0/US4LA1IN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4LA1IN/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 12, 2024 | metadata.json |