NOAA S-57 chart cell
West Bay
US4FL1XF
- Usage band
- Approach · code 4
- Current edition
- 7.0
- Features
- 640
- S-57 layers
- 46
- Published
- Feb 24, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.30000° N
- South
- 30.00000° N
- West
- 86.10000° W
- East
- 85.80000° W
- Center
- 30.15000° N, 85.95000° W
- Bounds area
- 281 sq nm
- Feature density
- 2.2813 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.9
- Smallest layer
- 1
- Largest layer
- 93
- Area sq km
- 962
- Features per sq km
- 0.66511
- DEPCNT Depth contour 93
- DEPARE Depth area 88
- COALNE Coastline 62
- OBSTRN Obstruction 39
- SBDARE Seabed area 37
- LNDRGN Land region 36
- LNDARE Land area 34
- RETRFL 31
- RIVERS River 29
- BOYLAT Lateral buoy 28
- BUISGL 19
- BCNSPP Special purpose beacon 18
- SLCONS Shoreline construction 16
- M_QUAL Data quality 12
- SOUNDG Sounding 10
- WRECKS Wreck 10
- LAKARE 8
- LIGHTS Light 7
- PILPNT 7
- BRIDGE 6
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/US4FL1XF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1XF/7.0/US4FL1XF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1XF/7.0/US4FL1XF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1XF/7.0/US4FL1XF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1XF/7.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 7.0 | Feb 24, 2026 | metadata.json |