NOAA S-57 chart cell
Lake Monroe - Saint Johns River
US4FL2LF
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 832
- S-57 layers
- 37
- Published
- Sep 18, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 29.10000° N
- South
- 28.80000° N
- West
- 81.30000° W
- East
- 81.00000° W
- Center
- 28.95000° N, 81.15000° W
- Bounds area
- 284 sq nm
- Feature density
- 2.9306 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 22.5
- Smallest layer
- 1
- Largest layer
- 187
- Area sq km
- 974
- Features per sq km
- 0.85444
- COALNE Coastline 187
- LNDRGN Land region 98
- LNDARE Land area 85
- DEPCNT Depth contour 77
- DEPARE Depth area 75
- RIVERS River 69
- PILPNT 31
- SLCONS Shoreline construction 25
- OBSTRN Obstruction 18
- LAKARE 17
- SBDARE Seabed area 16
- DAYMAR 15
- BCNLAT Lateral beacon 14
- BCNSPP Special purpose beacon 14
- BUISGL 14
- M_QUAL Data quality 13
- SEAARE Sea area 11
- SILTNK 7
- BRIDGE 6
- BUAARE 6
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/US4FL2LF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL2LF/2.0/US4FL2LF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL2LF/2.0/US4FL2LF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL2LF/2.0/US4FL2LF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL2LF/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Sep 18, 2025 | metadata.json |