NOAA S-57 chart cell
Gulf of America
US4FL1NP
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 47
- S-57 layers
- 18
- Published
- Feb 10, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 27.30000° N
- South
- 27.00000° N
- West
- 83.10000° W
- East
- 82.80000° W
- Center
- 27.15000° N, 82.95000° W
- Bounds area
- 289 sq nm
- Feature density
- 0.1628 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 2.6
- Smallest layer
- 1
- Largest layer
- 15
- Area sq km
- 990
- Features per sq km
- 0.04747
- SBDARE Seabed area 15
- OBSTRN Obstruction 5
- DEPARE Depth area 4
- DEPCNT Depth contour 4
- SOUNDG Sounding 3
- M_NPUB 2
- M_QUAL Data quality 2
- WRECKS Wreck 2
- BOYSPP Special purpose buoy 1
- CONZNE 1
- COSARE 1
- EXEZNE 1
- LIGHTS Light 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SEAARE Sea area 1
- TESARE 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/US4FL1NP.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1NP/3.0/US4FL1NP.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1NP/3.0/US4FL1NP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1NP/3.0/US4FL1NP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1NP/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | Feb 10, 2026 | metadata.json |