NOAA S-57 chart cell
Gulf of America to Biloxi Bay and Pascagoula Bay Approaches
US4MS1BF
- Usage band
- Approach · code 4
- Current edition
- 4.2
- Features
- 1,072
- S-57 layers
- 49
- Published
- Jun 11, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.30000° N
- South
- 30.00000° N
- West
- 88.80000° W
- East
- 88.50000° W
- Center
- 30.15000° N, 88.65000° W
- Bounds area
- 281 sq nm
- Feature density
- 3.8211 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 21.9
- Smallest layer
- 1
- Largest layer
- 184
- Area sq km
- 962
- Features per sq km
- 1.11406
- DEPCNT Depth contour 184
- DEPARE Depth area 151
- SBDARE Seabed area 107
- M_QUAL Data quality 106
- LIGHTS Light 88
- OBSTRN Obstruction 66
- SOUNDG Sounding 51
- BOYLAT Lateral buoy 40
- DAYMAR 25
- WRECKS Wreck 25
- BCNSPP Special purpose beacon 20
- COALNE Coastline 16
- PIPSOL 16
- UNSARE 15
- DMPGRD 14
- BOYSPP Special purpose buoy 13
- FAIRWY Fairway 10
- BCNLAT Lateral beacon 9
- LNDRGN Land region 9
- RETRFL 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/US4MS1BF.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MS1BF/4.2/US4MS1BF.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MS1BF/4.2/US4MS1BF.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4MS1BF/4.2/US4MS1BF.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MS1BF/4.2/US4MS1BF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MS1BF/4.2/US4MS1BF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MS1BF/4.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.2 | Jun 11, 2026 | metadata.json |