NOAA S-57 chart cell
Gulf of America
US4FL1HS
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 23
- S-57 layers
- 16
- Published
- Mar 13, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 25.50000° N
- South
- 25.20000° N
- West
- 82.20000° W
- East
- 81.90000° W
- Center
- 25.35000° N, 82.05000° W
- Bounds area
- 293 sq nm
- Feature density
- 0.0784 / sq nm
Chart Statistics
16 largest layers shown
- Average features per layer
- 1.4
- Smallest layer
- 1
- Largest layer
- 4
- Area sq km
- 1,006
- Features per sq km
- 0.02287
- SBDARE Seabed area 4
- DEPARE Depth area 2
- M_NPUB 2
- M_QUAL Data quality 2
- SEAARE Sea area 2
- CONZNE 1
- DEPCNT Depth contour 1
- EXEZNE 1
- FOGSIG 1
- LNDARE Land area 1
- LNDMRK 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- MIPARE 1
- SOUNDG Sounding 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/US4FL1HS.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1HS/2.0/US4FL1HS.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1HS/2.0/US4FL1HS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1HS/2.0/US4FL1HS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1HS/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Mar 13, 2025 | metadata.json |