NOAA S-57 chart cell
Key West - Straits of Florida
US4FL1ET
- Usage band
- Approach · code 4
- Current edition
- 7.0
- Features
- 2,236
- S-57 layers
- 58
- Published
- Jun 12, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 24.60000° N
- South
- 24.30000° N
- West
- 81.90000° W
- East
- 81.60000° W
- Center
- 24.45000° N, 81.75000° W
- Bounds area
- 295 sq nm
- Feature density
- 7.5709 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 38.6
- Smallest layer
- 1
- Largest layer
- 441
- Area sq km
- 1,013
- Features per sq km
- 2.20731
- DEPARE Depth area 441
- DEPCNT Depth contour 435
- SBDARE Seabed area 151
- DAYMAR 148
- BCNLAT Lateral beacon 134
- COALNE Coastline 124
- LNDARE Land area 108
- UWTROC Underwater rock 76
- LIGHTS Light 68
- OBSTRN Obstruction 66
- SLCONS Shoreline construction 51
- BCNSPP Special purpose beacon 44
- M_QUAL Data quality 39
- VEGATN 33
- SOUNDG Sounding 30
- RESARE 28
- WRECKS Wreck 26
- PILPNT 23
- SEAARE Sea area 23
- BOYSPP Special purpose buoy 22
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/US4FL1ET.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1ET/7.0/US4FL1ET.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1ET/7.0/US4FL1ET.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1ET/7.0/US4FL1ET.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1ET/7.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 7.0 | Jun 12, 2026 | metadata.json |