NOAA S-57 chart cell

Alaska

US4AK6ME

Usage band
Approach · code 4
Current edition
1.1
Features
26
S-57 layers
13
Published
May 27, 2021
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
63.30000° N
South
63.00000° N
West
171.60000° W
East
171.00000° W
Center
63.15000° N, 171.30000° W
Bounds area
293 sq nm
Feature density
0.0887 / sq nm

Chart Statistics

13 largest layers shown

Average features per layer
2
Smallest layer
1
Largest layer
6
Area sq km
1,005
Features per sq km
0.02587
  1. DEPARE Depth area 6
  2. DEPCNT Depth contour 5
  3. M_QUAL Data quality 4
  4. MAGVAR Magnetic variation 2
  5. ADMARE 1
  6. CONZNE 1
  7. EXEZNE 1
  8. M_COVR Coverage 1
  9. M_NPUB 1
  10. M_NSYS 1
  11. RESARE 1
  12. SEAARE Sea area 1
  13. 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 27, 2021 metadata.json