NOAA S-57 chart cell
Biscayne Bay and Miami Harbor
US4FL2AI
- Usage band
- Approach · code 4
- Current edition
- 7.0
- Features
- 1,987
- S-57 layers
- 55
- Published
- Dec 19, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 25.80000° N
- South
- 25.50000° N
- West
- 80.40000° W
- East
- 80.10000° W
- Center
- 25.65000° N, 80.25000° W
- Bounds area
- 292 sq nm
- Feature density
- 6.794 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 36.1
- Smallest layer
- 1
- Largest layer
- 332
- Area sq km
- 1,003
- Features per sq km
- 1.9808
- DEPARE Depth area 332
- DEPCNT Depth contour 332
- SLCONS Shoreline construction 259
- SBDARE Seabed area 204
- COALNE Coastline 129
- DAYMAR 91
- BCNLAT Lateral beacon 80
- LNDARE Land area 54
- LIGHTS Light 43
- PILPNT 43
- OBSTRN Obstruction 38
- RIVERS River 37
- BRIDGE 32
- BCNSPP Special purpose beacon 27
- SEAARE Sea area 23
- UWTROC Underwater rock 23
- LNDMRK 22
- WRECKS Wreck 22
- CTNARE Caution area 18
- BUAARE 17
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/US4FL2AI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL2AI/7.0/US4FL2AI.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL2AI/7.0/US4FL2AI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL2AI/7.0/US4FL2AI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL2AI/7.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 7.0 | Dec 19, 2025 | metadata.json |