NOAA S-57 chart cell
Dry Tortugas - Gulf of America
US4FL1EP
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 134
- S-57 layers
- 20
- Published
- Feb 20, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 24.60000° N
- South
- 24.30000° N
- West
- 83.10000° W
- East
- 82.80000° W
- Center
- 24.45000° N, 82.95000° W
- Bounds area
- 295 sq nm
- Feature density
- 0.4537 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.7
- Smallest layer
- 1
- Largest layer
- 39
- Area sq km
- 1,013
- Features per sq km
- 0.13228
- M_QUAL Data quality 39
- SBDARE Seabed area 22
- DEPARE Depth area 13
- DEPCNT Depth contour 12
- SOUNDG Sounding 12
- RESARE 9
- BOYSPP Special purpose buoy 5
- SEAARE Sea area 4
- ADMARE 3
- LIGHTS Light 3
- M_NPUB 2
- MAGVAR Magnetic variation 2
- BCNLAT Lateral beacon 1
- CONZNE 1
- DAYMAR 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- TESARE 1
- WRECKS Wreck 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/US4FL1EP.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1EP/2.0/US4FL1EP.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1EP/2.0/US4FL1EP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1EP/2.0/US4FL1EP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1EP/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Feb 20, 2025 | metadata.json |