NOAA S-57 chart cell
Approaches to Saint Augustine Inlet and Mantanzas Inlet - North Atlantic Ocean
US4FL2OF
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 486
- S-57 layers
- 41
- Published
- Jul 7, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.00000° N
- South
- 29.70000° N
- West
- 81.30000° W
- East
- 81.00000° W
- Center
- 29.85000° N, 81.15000° W
- Bounds area
- 281 sq nm
- Feature density
- 1.7271 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 11.9
- Smallest layer
- 1
- Largest layer
- 80
- Area sq km
- 965
- Features per sq km
- 0.50354
- COALNE Coastline 80
- SLCONS Shoreline construction 61
- LNDARE Land area 56
- RIVERS River 44
- DEPARE Depth area 39
- LNDRGN Land region 39
- DEPCNT Depth contour 35
- SBDARE Seabed area 24
- CTNARE Caution area 12
- SEAARE Sea area 12
- M_QUAL Data quality 11
- SOUNDG Sounding 11
- OBSTRN Obstruction 8
- BRIDGE 5
- BUAARE 5
- WRECKS Wreck 5
- PONTON 4
- RESARE 4
- BOYSPP Special purpose buoy 2
- CBLOHD 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/US4FL2OF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL2OF/1.0/US4FL2OF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL2OF/1.0/US4FL2OF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL2OF/1.0/US4FL2OF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL2OF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jul 7, 2025 | metadata.json |