NOAA S-57 chart cell
Key West - Gulf of America
US4FL1FT
- Usage band
- Approach · code 4
- Current edition
- 6.0
- Features
- 1,638
- S-57 layers
- 42
- Published
- Mar 16, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 24.90000° N
- South
- 24.60000° N
- West
- 81.90000° W
- East
- 81.60000° W
- Center
- 24.75000° N, 81.75000° W
- Bounds area
- 295 sq nm
- Feature density
- 5.5594 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 39
- Smallest layer
- 1
- Largest layer
- 349
- Area sq km
- 1,011
- Features per sq km
- 1.62086
- LNDARE Land area 349
- COALNE Coastline 287
- DEPCNT Depth contour 258
- DEPARE Depth area 255
- SBDARE Seabed area 76
- VEGATN 45
- UWTROC Underwater rock 41
- RESARE 37
- RIVERS River 35
- SLCONS Shoreline construction 30
- M_QUAL Data quality 25
- OBSTRN Obstruction 25
- LNDRGN Land region 17
- SEAARE Sea area 17
- DAYMAR 16
- BCNLAT Lateral beacon 15
- SOUNDG Sounding 15
- BOYLAT Lateral buoy 12
- PILPNT 12
- WRECKS Wreck 12
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/US4FL1FT.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1FT/6.0/US4FL1FT.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1FT/6.0/US4FL1FT.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1FT/6.0/US4FL1FT.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1FT/6.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 6.0 | Mar 16, 2026 | metadata.json |