NOAA S-57 chart cell

Kuskokwim Bay to Bethel, Alaska

US4AK6CT

Usage band
Approach · code 4
Current edition
1.5
Features
490
S-57 layers
20
Published
Sep 12, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
60.30000° N
South
60.00000° N
West
162.60000° W
East
162.00000° W
Center
60.15000° N, 162.30000° W
Bounds area
323 sq nm
Feature density
1.5172 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
24.5
Smallest layer
1
Largest layer
105
Area sq km
1,108
Features per sq km
0.44234
  1. RIVERS River 105
  2. DEPCNT Depth contour 104
  3. DEPARE Depth area 91
  4. COALNE Coastline 50
  5. SBDARE Seabed area 43
  6. LNDARE Land area 22
  7. M_QUAL Data quality 19
  8. LNDRGN Land region 11
  9. CBLSUB 10
  10. BOYLAT Lateral buoy 9
  11. UNSARE 8
  12. SEAARE Sea area 6
  13. SOUNDG Sounding 3
  14. SNDWAV 2
  15. WATTUR 2
  16. CTNARE Caution area 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
1.5 Sep 12, 2025 metadata.json