NOAA S-57 chart cell

Alaska

US4AK6EB

Usage band
Approach · code 4
Current edition
3.0
Features
56
S-57 layers
22
Published
Nov 7, 2023
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
60.90000° N
South
60.60000° N
West
173.40000° W
East
172.80000° W
Center
60.75000° N, 173.10000° W
Bounds area
317 sq nm
Feature density
0.1766 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
2.5
Smallest layer
1
Largest layer
10
Area sq km
1,087
Features per sq km
0.0515
  1. LNDARE Land area 10
  2. UWTROC Underwater rock 10
  3. SBDARE Seabed area 5
  4. DEPARE Depth area 3
  5. LNDRGN Land region 3
  6. M_QUAL Data quality 3
  7. OBSTRN Obstruction 3
  8. COALNE Coastline 2
  9. DEPCNT Depth contour 2
  10. LNDELV 2
  11. SEAARE Sea area 2
  12. ACHARE Anchorage area 1
  13. ADMARE 1
  14. CONZNE 1
  15. CTNARE Caution area 1
  16. EXEZNE 1
  17. M_COVR Coverage 1
  18. M_NPUB 1
  19. M_NSYS 1
  20. MAGVAR Magnetic variation 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
3.0 Nov 7, 2023 metadata.json