NOAA S-57 chart cell
Gulf Intracoastal Waterway - Bon Secour Bay and Gulf of America
US5AL1CI
- Usage band
- Harbor · code 5
- Current edition
- 4.0
- Features
- 361
- S-57 layers
- 38
- Published
- Mar 27, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.30000° N
- South
- 30.22500° N
- West
- 87.82500° W
- East
- 87.75000° W
- Center
- 30.26250° N, 87.78750° W
- Bounds area
- 18 sq nm
- Feature density
- 20.612 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.5
- Smallest layer
- 1
- Largest layer
- 67
- Area sq km
- 60
- Features per sq km
- 6.00949
- SLCONS Shoreline construction 67
- COALNE Coastline 43
- DEPARE Depth area 28
- DEPCNT Depth contour 26
- RETRFL 19
- BCNLAT Lateral beacon 17
- DAYMAR 17
- LNDRGN Land region 17
- M_QUAL Data quality 14
- OBSTRN Obstruction 14
- BUISGL 10
- SBDARE Seabed area 10
- SOUNDG Sounding 10
- MARCUL 8
- BOYLAT Lateral buoy 7
- LIGHTS Light 7
- SEAARE Sea area 5
- DRGARE 4
- M_NPUB 4
- RIVERS River 4
Nearby Chart Cells
Harbor 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/US5AL1CI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5AL1CI/4.0/US5AL1CI.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5AL1CI/4.0/US5AL1CI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5AL1CI/4.0/US5AL1CI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5AL1CI/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | Mar 27, 2026 | metadata.json |