NOAA S-57 chart cell

Alaska

US4AK6MI

Usage band
Approach · code 4
Current edition
1.2
Features
61
S-57 layers
19
Published
Jan 24, 2023
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
63.30000° N
South
63.00000° N
West
169.20000° W
East
168.60000° W
Center
63.15000° N, 168.90000° W
Bounds area
293 sq nm
Feature density
0.2081 / sq nm

Chart Statistics

19 largest layers shown

Average features per layer
3.2
Smallest layer
1
Largest layer
9
Area sq km
1,005
Features per sq km
0.06068
  1. RIVERS River 9
  2. LNDRGN Land region 8
  3. COALNE Coastline 7
  4. DEPARE Depth area 5
  5. LAKARE 5
  6. LNDARE Land area 4
  7. M_QUAL Data quality 4
  8. DEPCNT Depth contour 3
  9. LNDELV 3
  10. OBSTRN Obstruction 2
  11. SEAARE Sea area 2
  12. SOUNDG Sounding 2
  13. CTNARE Caution area 1
  14. M_COVR Coverage 1
  15. M_NPUB 1
  16. M_NSYS 1
  17. MAGVAR Magnetic variation 1
  18. RESARE 1
  19. SBDARE Seabed area 1

Nearby Chart Cells

Approach usage band

  1. Alaska US4AK6MJ - about 16 nm away
  2. Alaska US4AK6MH - about 16 nm away
  3. Alaska US4AK6LI - about 18 nm away
  4. Alaska US4AK6NI - about 18 nm away
  5. Alaska US4AK6NJ - about 24 nm away
  6. Alaska US4AK6NH - about 24 nm away

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
1.2 Jan 24, 2023 metadata.json