NOAA S-57 chart cell
Bay Minette Creek and Tensaw River
US4AL1DC
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 69
- S-57 layers
- 21
- Published
- Feb 24, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.90000° N
- South
- 30.60000° N
- West
- 87.90000° W
- East
- 87.60000° W
- Center
- 30.75000° N, 87.75000° W
- Bounds area
- 279 sq nm
- Feature density
- 0.2475 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.3
- Smallest layer
- 1
- Largest layer
- 16
- Area sq km
- 956
- Features per sq km
- 0.07215
- RIVERS River 16
- LNDRGN Land region 11
- LAKARE 8
- COALNE Coastline 7
- BUAARE 4
- SLCONS Shoreline construction 3
- DEPARE Depth area 2
- LNDMRK 2
- M_QUAL Data quality 2
- SEAARE Sea area 2
- SOUNDG Sounding 2
- CBLOHD 1
- FORSTC 1
- LNDARE Land area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- MORFAC 1
- PONTON 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/US4AL1DC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AL1DC/2.0/US4AL1DC.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AL1DC/2.0/US4AL1DC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AL1DC/2.0/US4AL1DC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AL1DC/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Feb 24, 2026 | metadata.json |