NOAA S-57 chart cell
Florida Keys - Straits of Florida and Florida Bay
US4FL1FV
- Usage band
- Approach · code 4
- Current edition
- 2.1
- Features
- 1,642
- S-57 layers
- 42
- Published
- Mar 11, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 24.90000° N
- South
- 24.60000° N
- West
- 81.30000° W
- East
- 81.00000° W
- Center
- 24.75000° N, 81.15000° W
- Bounds area
- 295 sq nm
- Feature density
- 5.573 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 39.1
- Smallest layer
- 1
- Largest layer
- 345
- Area sq km
- 1,011
- Features per sq km
- 1.62482
- DEPCNT Depth contour 345
- DEPARE Depth area 332
- SBDARE Seabed area 262
- DAYMAR 106
- BCNLAT Lateral beacon 93
- COALNE Coastline 80
- LNDARE Land area 67
- SLCONS Shoreline construction 54
- SEAARE Sea area 31
- WRECKS Wreck 28
- BRIDGE 25
- WEDKLP 25
- LIGHTS Light 24
- OBSTRN Obstruction 23
- BCNSPP Special purpose beacon 18
- SOUNDG Sounding 15
- LNDMRK 13
- UWTROC Underwater rock 12
- M_QUAL Data quality 11
- PILPNT 10
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/US4FL1FV.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4FL1FV/2.1/US4FL1FV.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4FL1FV/2.1/US4FL1FV.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1FV/2.1/US4FL1FV.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1FV/2.1/US4FL1FV.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1FV/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | Mar 11, 2025 | metadata.json |