NOAA S-57 chart cell

Alaska

US4AK6NE

Usage band
Approach · code 4
Current edition
1.1
Features
83
S-57 layers
18
Published
May 24, 2021
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
63.60000° N
South
63.30000° N
West
171.60000° W
East
171.00000° W
Center
63.45000° N, 171.30000° W
Bounds area
290 sq nm
Feature density
0.2862 / sq nm

Chart Statistics

18 largest layers shown

Average features per layer
4.6
Smallest layer
1
Largest layer
24
Area sq km
995
Features per sq km
0.08343
  1. RIVERS River 24
  2. LNDARE Land area 13
  3. LNDRGN Land region 7
  4. DEPARE Depth area 5
  5. LNDELV 5
  6. M_QUAL Data quality 5
  7. SEAARE Sea area 5
  8. COALNE Coastline 4
  9. DEPCNT Depth contour 3
  10. LAKARE 3
  11. MAGVAR Magnetic variation 2
  12. BUAARE 1
  13. M_COVR Coverage 1
  14. M_NPUB 1
  15. M_NSYS 1
  16. OBSTRN Obstruction 1
  17. RESARE 1
  18. SOUNDG Sounding 1

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
1.1 May 24, 2021 metadata.json