NOAA S-57 chart cell
Apalachee Bay
US4FL1WN
- Usage band
- Approach · code 4
- Current edition
- 4.0
- Features
- 341
- S-57 layers
- 29
- Published
- Feb 11, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.00000° N
- South
- 29.70000° N
- West
- 83.70000° W
- East
- 83.40000° W
- Center
- 29.85000° N, 83.55000° W
- Bounds area
- 281 sq nm
- Feature density
- 1.2118 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 11.8
- Smallest layer
- 1
- Largest layer
- 56
- Area sq km
- 965
- Features per sq km
- 0.35331
- DEPARE Depth area 56
- DEPCNT Depth contour 54
- COALNE Coastline 51
- LNDRGN Land region 34
- RIVERS River 29
- SBDARE Seabed area 21
- DAYMAR 17
- BCNLAT Lateral beacon 13
- SLCONS Shoreline construction 10
- LIGHTS Light 8
- SEAARE Sea area 7
- LNDARE Land area 6
- UWTROC Underwater rock 5
- BCNSPP Special purpose beacon 4
- M_QUAL Data quality 4
- SOUNDG Sounding 4
- BOYSPP Special purpose buoy 2
- LNDMRK 2
- MAGVAR Magnetic variation 2
- OBSTRN Obstruction 2
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/US4FL1WN.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1WN/4.0/US4FL1WN.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1WN/4.0/US4FL1WN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1WN/4.0/US4FL1WN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1WN/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | Feb 11, 2026 | metadata.json |