NOAA S-57 chart cell

Cape Ommaney, AK

US3AK1EW

Usage band
Coastal · code 3
Current edition
1.0
Features
963
S-57 layers
35
Published
Mar 13, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
56.40000° N
South
55.20000° N
West
136.80000° W
East
134.40000° W
Center
55.80000° N, 135.60000° W
Bounds area
5,835 sq nm
Feature density
0.165 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
27.5
Smallest layer
1
Largest layer
208
Area sq km
20,015
Features per sq km
0.04811
  1. COALNE Coastline 208
  2. SBDARE Seabed area 204
  3. DEPCNT Depth contour 133
  4. LNDARE Land area 111
  5. DEPARE Depth area 92
  6. SLOGRD 32
  7. UWTROC Underwater rock 32
  8. OBSTRN Obstruction 24
  9. RIVERS River 21
  10. M_QUAL Data quality 15
  11. SEAARE Sea area 13
  12. SOUNDG Sounding 11
  13. LAKARE 9
  14. LIGHTS Light 7
  15. LNDRGN Land region 7
  16. MAGVAR Magnetic variation 5
  17. BCNSPP Special purpose beacon 4
  18. DAYMAR 4
  19. LNDELV 4
  20. ADMARE 3

Nearby Chart Cells

Coastal 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 13, 2026 metadata.json