NOAA S-57 chart cell

Ninilchik, AK

US5AK5YG

Usage band
Harbor · code 5
Current edition
1.0
Features
143
S-57 layers
29
Published
Mar 10, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
60.07500° N
South
60.00000° N
West
151.80000° W
East
151.65000° W
Center
60.03750° N, 151.72500° W
Bounds area
20 sq nm
Feature density
7.0602 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
4.9
Smallest layer
1
Largest layer
39
Area sq km
69
Features per sq km
2.05843
  1. UWTROC Underwater rock 39
  2. SLCONS Shoreline construction 18
  3. DEPCNT Depth contour 16
  4. DEPARE Depth area 14
  5. COALNE Coastline 6
  6. OBSTRN Obstruction 6
  7. PILPNT 5
  8. BUISGL 4
  9. M_QUAL Data quality 4
  10. DRGARE 3
  11. SEAARE Sea area 3
  12. CTNARE Caution area 2
  13. LIGHTS Light 2
  14. LNDMRK 2
  15. M_NPUB 2
  16. MAGVAR Magnetic variation 2
  17. RIVERS River 2
  18. SOUNDG Sounding 2
  19. ADMARE 1
  20. BCNSPP Special purpose beacon 1

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 Mar 10, 2026 metadata.json