NOAA S-57 chart cell
Tampa Bay - Southwest Channel to Sarasota Bay
US4FL1OQ
- Usage band
- Approach · code 4
- Current edition
- 15.2
- Features
- 5,892
- S-57 layers
- 61
- Published
- Apr 24, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 27.60000° N
- South
- 27.30000° N
- West
- 82.80000° W
- East
- 82.50000° W
- Center
- 27.45000° N, 82.65000° W
- Bounds area
- 288 sq nm
- Feature density
- 20.4647 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 96.6
- Smallest layer
- 1
- Largest layer
- 873
- Area sq km
- 988
- Features per sq km
- 5.96655
- SLCONS Shoreline construction 873
- DEPCNT Depth contour 753
- DEPARE Depth area 687
- COALNE Coastline 560
- DAYMAR 467
- BCNLAT Lateral beacon 443
- LNDARE Land area 356
- SBDARE Seabed area 199
- PILPNT 174
- VEGATN 167
- OBSTRN Obstruction 145
- BCNSPP Special purpose beacon 94
- BRIDGE 82
- M_QUAL Data quality 77
- LIGHTS Light 75
- RETRFL 69
- LNDRGN Land region 59
- SEAARE Sea area 43
- WRECKS Wreck 40
- PONTON 39
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/US4FL1OQ.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4FL1OQ/15.2/US4FL1OQ.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4FL1OQ/15.2/US4FL1OQ.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4FL1OQ/15.2/US4FL1OQ.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1OQ/15.2/US4FL1OQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1OQ/15.2/US4FL1OQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1OQ/15.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 15.2 | Apr 24, 2026 | metadata.json |