NOAA S-57 chart cell

Alaska - Aleutian Islands, Amchitka Pass to Attu Island

US3AK7WM

Usage band
Coastal · code 3
Current edition
5.4
Features
401
S-57 layers
26
Published
May 20, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
52.91597° N
South
50.53889° N
West
179.32109° E
East
180.00000° E
Center
51.72743° N, 179.66054° E
Bounds area
3,603 sq nm
Feature density
0.1113 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
15.4
Smallest layer
1
Largest layer
110
Area sq km
12,359
Features per sq km
0.03245
  1. DEPARE Depth area 110
  2. DEPCNT Depth contour 110
  3. LNDARE Land area 80
  4. RIVERS River 26
  5. SBDARE Seabed area 12
  6. UWTROC Underwater rock 11
  7. M_QUAL Data quality 8
  8. LNDRGN Land region 6
  9. COALNE Coastline 5
  10. LNDELV 4
  11. SEAARE Sea area 4
  12. SOUNDG Sounding 3
  13. TESARE 3
  14. ADMARE 2
  15. CONZNE 2
  16. EXEZNE 2
  17. M_COVR Coverage 2
  18. MAGVAR Magnetic variation 2
  19. RESARE 2
  20. BOYSPP Special purpose buoy 1

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
5.4 May 20, 2026 metadata.json