NOAA S-57 chart cell
Homosassa River to Weeki Wachee River
US4FL1SQ
- Usage band
- Approach · code 4
- Current edition
- 6.0
- Features
- 3,799
- S-57 layers
- 39
- Published
- Jun 3, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 28.80000° N
- South
- 28.50000° N
- West
- 82.80000° W
- East
- 82.50000° W
- Center
- 28.65000° N, 82.65000° W
- Bounds area
- 285 sq nm
- Feature density
- 13.3432 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 97.4
- Smallest layer
- 1
- Largest layer
- 763
- Area sq km
- 977
- Features per sq km
- 3.89024
- LNDARE Land area 763
- RIVERS River 752
- DEPCNT Depth contour 472
- DEPARE Depth area 460
- COALNE Coastline 308
- LNDRGN Land region 131
- PILPNT 110
- VEGATN 102
- OBSTRN Obstruction 85
- DAYMAR 82
- UWTROC Underwater rock 78
- LAKARE 69
- BCNLAT Lateral beacon 62
- SEAARE Sea area 61
- BOYLAT Lateral buoy 54
- SLCONS Shoreline construction 52
- SBDARE Seabed area 51
- BCNSPP Special purpose beacon 25
- LIGHTS Light 14
- CBLOHD 11
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/US4FL1SQ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1SQ/6.0/US4FL1SQ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1SQ/6.0/US4FL1SQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1SQ/6.0/US4FL1SQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1SQ/6.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 6.0 | Jun 3, 2026 | metadata.json |