NOAA S-57 chart cell
Approaches to Saint Johns River
US4FL2PF
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 169
- S-57 layers
- 23
- Published
- Oct 24, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.30000° N
- South
- 30.00000° N
- West
- 81.30000° W
- East
- 81.00000° W
- Center
- 30.15000° N, 81.15000° W
- Bounds area
- 281 sq nm
- Feature density
- 0.6024 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7.3
- Smallest layer
- 1
- Largest layer
- 37
- Area sq km
- 962
- Features per sq km
- 0.17563
- DEPCNT Depth contour 37
- DEPARE Depth area 34
- SBDARE Seabed area 34
- OBSTRN Obstruction 14
- SOUNDG Sounding 12
- CBLSUB 8
- M_QUAL Data quality 8
- MAGVAR Magnetic variation 4
- RESARE 3
- TWRTPT 2
- ADMARE 1
- BOYSPP Special purpose buoy 1
- CONZNE 1
- CTNARE Caution area 1
- DMPGRD 1
- EXEZNE 1
- LIGHTS Light 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US4FL2PF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL2PF/1.0/US4FL2PF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL2PF/1.0/US4FL2PF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL2PF/1.0/US4FL2PF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL2PF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 24, 2024 | metadata.json |