NOAA S-57 chart cell
Gulf of America to Caillou Bay
US4LA1DJ
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 557
- S-57 layers
- 26
- Published
- Mar 26, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 29.10000° N
- South
- 28.80000° N
- West
- 91.20000° W
- East
- 90.90000° W
- Center
- 28.95000° N, 91.05000° W
- Bounds area
- 284 sq nm
- Feature density
- 1.962 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 21.4
- Smallest layer
- 1
- Largest layer
- 302
- Area sq km
- 974
- Features per sq km
- 0.57202
- PIPSOL 302
- SBDARE Seabed area 68
- OFSPLF 54
- DEPARE Depth area 26
- DEPCNT Depth contour 25
- M_QUAL Data quality 21
- SLCONS Shoreline construction 15
- OBSTRN Obstruction 12
- SOUNDG Sounding 6
- PILPNT 4
- WRECKS Wreck 4
- SEAARE Sea area 3
- COALNE Coastline 2
- LNDRGN Land region 2
- MAGVAR Magnetic variation 2
- ADMARE 1
- BCNSPP Special purpose beacon 1
- CONZNE 1
- EXEZNE 1
- FAIRWY Fairway 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/US4LA1DJ.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4LA1DJ/1.2/US4LA1DJ.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4LA1DJ/1.2/US4LA1DJ.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4LA1DJ/1.2/US4LA1DJ.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4LA1DJ/1.2/US4LA1DJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4LA1DJ/1.2/US4LA1DJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4LA1DJ/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Mar 26, 2025 | metadata.json |