NOAA S-57 chart cell

San Pedro Channel

US4CA60M

Usage band
Approach · code 4
Current edition
38.5
Features
3,001
S-57 layers
71
Published
Apr 22, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
33.81882° N
South
33.22776° N
West
118.64718° W
East
117.60640° W
Center
33.52329° N, 118.12679° W
Bounds area
1,849 sq nm
Feature density
1.6233 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
42.3
Smallest layer
1
Largest layer
466
Area sq km
6,341
Features per sq km
0.47328
  1. SLCONS Shoreline construction 466
  2. UWTROC Underwater rock 462
  3. COALNE Coastline 297
  4. SBDARE Seabed area 246
  5. DEPCNT Depth contour 174
  6. DEPARE Depth area 155
  7. LNDARE Land area 149
  8. WEDKLP 122
  9. OBSTRN Obstruction 90
  10. RIVERS River 85
  11. LNDRGN Land region 56
  12. LIGHTS Light 55
  13. M_QUAL Data quality 51
  14. BRIDGE 45
  15. LAKARE 45
  16. WRECKS Wreck 45
  17. LNDMRK 39
  18. BUAARE 35
  19. LNDELV 33
  20. SOUNDG Sounding 32

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
38.5 Apr 22, 2026 metadata.json