NOAA S-57 chart cell
Gulf of America to Garden Island Bay
US4LA1DQ
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 284
- S-57 layers
- 32
- Published
- Jun 25, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 29.10000° N
- South
- 28.80000° N
- West
- 89.10000° W
- East
- 88.80000° W
- Center
- 28.95000° N, 88.95000° W
- Bounds area
- 284 sq nm
- Feature density
- 1.0004 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8.9
- Smallest layer
- 1
- Largest layer
- 87
- Area sq km
- 974
- Features per sq km
- 0.29166
- PIPSOL 87
- SBDARE Seabed area 37
- DEPARE Depth area 35
- DEPCNT Depth contour 32
- OFSPLF 23
- M_QUAL Data quality 8
- OBSTRN Obstruction 7
- SEAARE Sea area 6
- WRECKS Wreck 6
- BCNSPP Special purpose beacon 4
- COALNE Coastline 4
- DAYMAR 4
- LNDARE Land area 3
- MAGVAR Magnetic variation 3
- SOUNDG Sounding 3
- BOYSPP Special purpose buoy 2
- CTNARE Caution area 2
- LIGHTS Light 2
- LNDRGN Land region 2
- TESARE 2
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/US4LA1DQ.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4LA1DQ/1.2/US4LA1DQ.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4LA1DQ/1.2/US4LA1DQ.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4LA1DQ/1.2/US4LA1DQ.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4LA1DQ/1.2/US4LA1DQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4LA1DQ/1.2/US4LA1DQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4LA1DQ/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Jun 25, 2025 | metadata.json |