NOAA S-57 chart cell

Approaches to Saint Johns River

US4FL2QE

Usage band
Approach · code 4
Current edition
4.0
Features
3,518
S-57 layers
55
Published
Feb 24, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.60000° N
South
30.30000° N
West
81.60000° W
East
81.30000° W
Center
30.45000° N, 81.45000° W
Bounds area
280 sq nm
Feature density
12.5783 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
64
Smallest layer
1
Largest layer
719
Area sq km
959
Features per sq km
3.66724
  1. COALNE Coastline 719
  2. LNDRGN Land region 456
  3. LNDARE Land area 377
  4. DEPCNT Depth contour 308
  5. RIVERS River 308
  6. DEPARE Depth area 285
  7. DRGARE 159
  8. SLCONS Shoreline construction 155
  9. LIGHTS Light 104
  10. BCNSPP Special purpose beacon 72
  11. SOUNDG Sounding 62
  12. DAYMAR 59
  13. M_QUAL Data quality 59
  14. SEAARE Sea area 44
  15. BOYLAT Lateral buoy 37
  16. BRIDGE 33
  17. BCNLAT Lateral beacon 29
  18. SBDARE Seabed area 22
  19. CBLOHD 19
  20. C_AGGR 18

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.

Editions

Edition Published Metadata
4.0 Feb 24, 2026 metadata.json