NOAA S-57 chart cell
Gulf of America
US4FL1FS
- Usage band
- Approach · code 4
- Current edition
- 4.1
- Features
- 345
- S-57 layers
- 33
- Published
- Mar 24, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 24.90000° N
- South
- 24.60000° N
- West
- 82.20000° W
- East
- 81.90000° W
- Center
- 24.75000° N, 82.05000° W
- Bounds area
- 295 sq nm
- Feature density
- 1.1709 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10.5
- Smallest layer
- 1
- Largest layer
- 69
- Area sq km
- 1,011
- Features per sq km
- 0.34139
- DEPARE Depth area 69
- DEPCNT Depth contour 68
- SBDARE Seabed area 60
- UWTROC Underwater rock 37
- M_QUAL Data quality 32
- OBSTRN Obstruction 16
- SOUNDG Sounding 13
- RESARE 7
- PILPNT 4
- SEAARE Sea area 4
- WRECKS Wreck 4
- ADMARE 2
- BCNSPP Special purpose beacon 2
- COALNE Coastline 2
- DAYMAR 2
- LIGHTS Light 2
- LNDARE Land area 2
- M_NPUB 2
- MIPARE 2
- SNDWAV 2
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/US4FL1FS.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4FL1FS/4.1/US4FL1FS.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4FL1FS/4.1/US4FL1FS.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1FS/4.1/US4FL1FS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1FS/4.1/US4FL1FS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1FS/4.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.1 | Mar 24, 2026 | metadata.json |