NOAA S-57 chart cell
Anclote Key to Clearwater Harbor
US4FL1QP
- Usage band
- Approach · code 4
- Current edition
- 11.0
- Features
- 2,294
- S-57 layers
- 52
- Published
- Apr 17, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 28.20000° N
- South
- 27.90000° N
- West
- 83.10000° W
- East
- 82.80000° W
- Center
- 28.05000° N, 82.95000° W
- Bounds area
- 286 sq nm
- Feature density
- 8.0118 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 44.1
- Smallest layer
- 1
- Largest layer
- 400
- Area sq km
- 982
- Features per sq km
- 2.33586
- DEPCNT Depth contour 400
- DEPARE Depth area 368
- SLCONS Shoreline construction 243
- DAYMAR 168
- BCNLAT Lateral beacon 162
- M_QUAL Data quality 101
- PILPNT 93
- COALNE Coastline 81
- SBDARE Seabed area 79
- LNDARE Land area 72
- OBSTRN Obstruction 59
- RETRFL 49
- LIGHTS Light 42
- DRGARE 41
- DMPGRD 38
- UNSARE 36
- WRECKS Wreck 25
- CTNARE Caution area 20
- SOUNDG Sounding 19
- VEGATN 18
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/US4FL1QP.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1QP/11.0/US4FL1QP.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1QP/11.0/US4FL1QP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1QP/11.0/US4FL1QP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1QP/11.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 11.0 | Apr 17, 2026 | metadata.json |