NOAA S-57 chart cell
Chandeleur Sound to Mississippi Sound and Gulf of America
US4MS1BE
- Usage band
- Approach · code 4
- Current edition
- 4.2
- Features
- 899
- S-57 layers
- 46
- Published
- Oct 15, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.30000° N
- South
- 30.00000° N
- West
- 89.10000° W
- East
- 88.80000° W
- Center
- 30.15000° N, 88.95000° W
- Bounds area
- 281 sq nm
- Feature density
- 3.2045 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 19.5
- Smallest layer
- 1
- Largest layer
- 131
- Area sq km
- 962
- Features per sq km
- 0.93427
- SBDARE Seabed area 131
- DEPCNT Depth contour 93
- DEPARE Depth area 87
- LIGHTS Light 68
- OBSTRN Obstruction 61
- COALNE Coastline 56
- M_QUAL Data quality 55
- LNDARE Land area 41
- LNDRGN Land region 40
- BOYLAT Lateral buoy 30
- SOUNDG Sounding 28
- WRECKS Wreck 25
- SEAARE Sea area 24
- DAYMAR 23
- BCNLAT Lateral beacon 17
- BCNSPP Special purpose beacon 16
- PILPNT 16
- UNSARE 11
- CTNARE Caution area 10
- DMPGRD 8
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/US4MS1BE.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MS1BE/4.2/US4MS1BE.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MS1BE/4.2/US4MS1BE.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4MS1BE/4.2/US4MS1BE.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MS1BE/4.2/US4MS1BE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MS1BE/4.2/US4MS1BE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MS1BE/4.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.2 | Oct 15, 2025 | metadata.json |