NOAA S-57 chart cell
Gulf of America to Perdido Pass and Bayou Saint John
US5AL1DL
- Usage band
- Harbor · code 5
- Current edition
- 3.1
- Features
- 747
- S-57 layers
- 41
- Published
- Jun 1, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.30000° N
- South
- 30.22500° N
- West
- 87.60000° W
- East
- 87.52500° W
- Center
- 30.26250° N, 87.56250° W
- Bounds area
- 18 sq nm
- Feature density
- 42.6514 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 18.2
- Smallest layer
- 1
- Largest layer
- 323
- Area sq km
- 60
- Features per sq km
- 12.43515
- SLCONS Shoreline construction 323
- DEPARE Depth area 60
- DEPCNT Depth contour 59
- COALNE Coastline 36
- BUISGL 32
- BCNSPP Special purpose beacon 29
- PILPNT 22
- OBSTRN Obstruction 21
- DRGARE 15
- BCNLAT Lateral beacon 13
- DAYMAR 13
- LNDRGN Land region 11
- LNDARE Land area 10
- SEAARE Sea area 10
- SOUNDG Sounding 10
- LIGHTS Light 9
- PONTON 9
- BOYLAT Lateral buoy 8
- SBDARE Seabed area 8
- M_QUAL Data quality 7
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/US5AL1DL.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/harbor/US5AL1DL/3.1/US5AL1DL.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/harbor/US5AL1DL/3.1/US5AL1DL.001
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5AL1DL/3.1/US5AL1DL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5AL1DL/3.1/US5AL1DL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5AL1DL/3.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.1 | Jun 1, 2026 | metadata.json |