NOAA S-57 chart cell
Boca Grande to Redfish Pass
US4FL1LR
- Usage band
- Approach · code 4
- Current edition
- 11.0
- Features
- 1,394
- S-57 layers
- 48
- Published
- Feb 3, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 26.70000° N
- South
- 26.40000° N
- West
- 82.50000° W
- East
- 82.20000° W
- Center
- 26.55000° N, 82.35000° W
- Bounds area
- 290 sq nm
- Feature density
- 4.8032 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 29
- Smallest layer
- 1
- Largest layer
- 288
- Area sq km
- 995
- Features per sq km
- 1.40039
- DEPCNT Depth contour 288
- DEPARE Depth area 278
- COALNE Coastline 114
- M_QUAL Data quality 100
- SBDARE Seabed area 68
- BCNLAT Lateral beacon 59
- LNDARE Land area 59
- DAYMAR 57
- SLCONS Shoreline construction 57
- OBSTRN Obstruction 45
- VEGATN 32
- RETRFL 22
- SEAARE Sea area 21
- SOUNDG Sounding 19
- DMPGRD 15
- LIGHTS Light 15
- UNSARE 14
- PILPNT 13
- BCNSPP Special purpose beacon 12
- BUISGL 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/US4FL1LR.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1LR/11.0/US4FL1LR.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1LR/11.0/US4FL1LR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1LR/11.0/US4FL1LR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1LR/11.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 11.0 | Feb 3, 2026 | metadata.json |