NOAA S-57 chart cell

Chignik Bay

US5AK7YZ

Usage band
Harbor · code 5
Current edition
1.0
Features
226
S-57 layers
35
Published
Apr 23, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
56.32500° N
South
56.25000° N
West
158.40000° W
East
158.25000° W
Center
56.28750° N, 158.32500° W
Bounds area
23 sq nm
Feature density
10.0405 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
6.5
Smallest layer
1
Largest layer
37
Area sq km
77
Features per sq km
2.92733
  1. UWTROC Underwater rock 37
  2. DEPARE Depth area 34
  3. DEPCNT Depth contour 32
  4. COALNE Coastline 17
  5. SBDARE Seabed area 17
  6. LNDARE Land area 9
  7. OBSTRN Obstruction 8
  8. SLCONS Shoreline construction 8
  9. RIVERS River 7
  10. M_QUAL Data quality 6
  11. SEAARE Sea area 6
  12. WEDKLP 6
  13. BUISGL 4
  14. CBLSUB 3
  15. DAYMAR 3
  16. MORFAC 3
  17. PILPNT 3
  18. BCNLAT Lateral beacon 2
  19. LIGHTS Light 2
  20. LNDELV 2

Nearby Chart Cells

Harbor 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 23, 2026 metadata.json