NOAA S-57 chart cell

Aleutian Islands Amukta Island to Amchitka Pass

US2AK70M

Usage band
General · code 2
Current edition
16.1
Features
219
S-57 layers
27
Published
Jan 12, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
56.12642° N
South
47.69123° N
West
180.00000° W
East
170.75820° W
Center
51.90882° N, 175.37910° W
Bounds area
173,210 sq nm
Feature density
0.0013 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
8.1
Smallest layer
1
Largest layer
48
Area sq km
594,094
Features per sq km
0.00037
  1. LNDARE Land area 48
  2. DEPARE Depth area 35
  3. DEPCNT Depth contour 33
  4. SBDARE Seabed area 24
  5. MAGVAR Magnetic variation 11
  6. SEAARE Sea area 10
  7. CBLSUB 9
  8. M_QUAL Data quality 6
  9. SOUNDG Sounding 6
  10. COALNE Coastline 4
  11. M_COVR Coverage 3
  12. UWTROC Underwater rock 3
  13. ADMARE 2
  14. BOYSPP Special purpose buoy 2
  15. C_ASSO 2
  16. COSARE 2
  17. EXEZNE 2
  18. LIGHTS Light 2
  19. M_NPUB 2
  20. M_NSYS 2

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
16.1 Jan 12, 2026 metadata.json