NOAA S-57 chart cell
Entrance to Tampa Bay - Gulf of America
US4FL1PO
- Usage band
- Approach · code 4
- Current edition
- 5.0
- Features
- 48
- S-57 layers
- 19
- Published
- Feb 10, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 27.90000° N
- South
- 27.60000° N
- West
- 83.40000° W
- East
- 83.10000° W
- Center
- 27.75000° N, 83.25000° W
- Bounds area
- 287 sq nm
- Feature density
- 0.1672 / sq nm
Chart Statistics
19 largest layers shown
- Average features per layer
- 2.5
- Smallest layer
- 1
- Largest layer
- 7
- Area sq km
- 985
- Features per sq km
- 0.04874
- DEPARE Depth area 7
- DEPCNT Depth contour 6
- OBSTRN Obstruction 6
- M_QUAL Data quality 4
- SBDARE Seabed area 4
- SOUNDG Sounding 3
- WRECKS Wreck 3
- BOYSPP Special purpose buoy 2
- M_NPUB 2
- SEAARE Sea area 2
- CONZNE 1
- COSARE 1
- EXEZNE 1
- FAIRWY Fairway 1
- LIGHTS Light 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- PIPSOL 1
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/US4FL1PO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1PO/5.0/US4FL1PO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1PO/5.0/US4FL1PO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1PO/5.0/US4FL1PO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1PO/5.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.0 | Feb 10, 2026 | metadata.json |