NOAA S-57 chart cell
Gulf Intracoastal Waterway - Petit Bois Pass to Mississippi Sound
US5AL1DB
- Usage band
- Harbor · code 5
- Current edition
- 6.0
- Features
- 184
- S-57 layers
- 32
- Published
- Mar 26, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.30000° N
- South
- 30.22500° N
- West
- 88.35000° W
- East
- 88.27500° W
- Center
- 30.26250° N, 88.31250° W
- Bounds area
- 18 sq nm
- Feature density
- 10.5058 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 5.8
- Smallest layer
- 1
- Largest layer
- 35
- Area sq km
- 60
- Features per sq km
- 3.06301
- DEPCNT Depth contour 35
- DEPARE Depth area 29
- M_QUAL Data quality 16
- OBSTRN Obstruction 13
- LIGHTS Light 12
- DAYMAR 9
- BCNSPP Special purpose beacon 8
- DRGARE 7
- SOUNDG Sounding 7
- SBDARE Seabed area 5
- BCNLAT Lateral beacon 4
- BOYLAT Lateral buoy 4
- PILPNT 4
- COALNE Coastline 3
- OFSPLF 3
- SEAARE Sea area 3
- WRECKS Wreck 3
- CTNARE Caution area 2
- FAIRWY Fairway 2
- LNDRGN Land region 2
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/US5AL1DB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5AL1DB/6.0/US5AL1DB.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5AL1DB/6.0/US5AL1DB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5AL1DB/6.0/US5AL1DB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5AL1DB/6.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 6.0 | Mar 26, 2026 | metadata.json |