NOAA S-57 chart cell

Point Barrow to Herschel Island

US2AK91M

Usage band
General · code 2
Current edition
16.2
Features
1,455
S-57 layers
40
Published
Apr 3, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
72.62978° N
South
67.91617° N
West
157.21388° W
East
138.52651° W
Center
70.27298° N, 147.87019° W
Bounds area
107,150 sq nm
Feature density
0.0136 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
36.4
Smallest layer
1
Largest layer
274
Area sq km
367,514
Features per sq km
0.00396
  1. LNDARE Land area 274
  2. COALNE Coastline 264
  3. RIVERS River 164
  4. DEPCNT Depth contour 159
  5. DEPARE Depth area 148
  6. MAGVAR Magnetic variation 78
  7. SBDARE Seabed area 65
  8. OBSTRN Obstruction 45
  9. LNDMRK 37
  10. LNDRGN Land region 35
  11. SEAARE Sea area 33
  12. M_QUAL Data quality 17
  13. SLCONS Shoreline construction 16
  14. SOUNDG Sounding 15
  15. TESARE 15
  16. SLOGRD 13
  17. LNDELV 10
  18. LIGHTS Light 9
  19. OFSPLF 8
  20. C_ASSO 7

Nearby Chart Cells

General 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
16.2 Apr 3, 2026 metadata.json