NOAA S-57 chart cell

San Pedro Channel - Ports of Los Angeles and Long Beach, Ca

US3CA1DI

Usage band
Coastal · code 3
Current edition
1.1
Features
835
S-57 layers
57
Published
May 6, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
34.80000° N
South
33.60000° N
West
118.80000° W
East
117.60000° W
Center
34.20000° N, 118.20000° W
Bounds area
4,293 sq nm
Feature density
0.1945 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
14.6
Smallest layer
1
Largest layer
121
Area sq km
14,726
Features per sq km
0.0567
  1. SLCONS Shoreline construction 121
  2. COALNE Coastline 70
  3. OBSTRN Obstruction 53
  4. RIVERS River 51
  5. DEPARE Depth area 38
  6. DEPCNT Depth contour 38
  7. LIGHTS Light 38
  8. SBDARE Seabed area 37
  9. UWTROC Underwater rock 36
  10. SLOGRD 31
  11. WRECKS Wreck 25
  12. LNDMRK 22
  13. SEAARE Sea area 20
  14. LNDARE Land area 19
  15. WEDKLP 19
  16. BUAARE 18
  17. BRIDGE 15
  18. SOUNDG Sounding 15
  19. LNDRGN Land region 13
  20. FOGSIG 12

Nearby Chart Cells

Coastal 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
1.1 May 6, 2026 metadata.json