NOAA S-57 chart cell

North Pacific Ocean - Crescent City to Whaler Island, CA

US4CA2PE

Usage band
Approach · code 4
Current edition
1.0
Features
322
S-57 layers
37
Published
Apr 22, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
42.00000° N
South
41.70000° N
West
124.20000° W
East
123.90000° W
Center
41.85000° N, 124.05000° W
Bounds area
242 sq nm
Feature density
1.3324 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
8.7
Smallest layer
1
Largest layer
40
Area sq km
829
Features per sq km
0.38846
  1. DEPARE Depth area 40
  2. SLCONS Shoreline construction 40
  3. DEPCNT Depth contour 38
  4. LNDARE Land area 35
  5. COALNE Coastline 25
  6. SBDARE Seabed area 25
  7. UWTROC Underwater rock 24
  8. RIVERS River 17
  9. LIGHTS Light 7
  10. LNDELV 7
  11. M_QUAL Data quality 6
  12. SLOGRD 6
  13. BRIDGE 5
  14. LNDRGN Land region 5
  15. FOGSIG 4
  16. BCNSPP Special purpose beacon 3
  17. BOYLAT Lateral buoy 3
  18. DAYMAR 3
  19. LAKARE 3
  20. OBSTRN Obstruction 3

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
1.0 Apr 22, 2026 metadata.json