NOAA S-57 chart cell

Kuskokwim Bay to Bethel, Alaska

US4AK6BT

Usage band
Approach · code 4
Current edition
2.3
Features
324
S-57 layers
23
Published
Sep 12, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
60.00000° N
South
59.70000° N
West
162.60000° W
East
162.00000° W
Center
59.85000° N, 162.30000° W
Bounds area
326 sq nm
Feature density
0.9941 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
14.1
Smallest layer
1
Largest layer
93
Area sq km
1,118
Features per sq km
0.28985
  1. DEPCNT Depth contour 93
  2. DEPARE Depth area 91
  3. M_QUAL Data quality 41
  4. SBDARE Seabed area 34
  5. COALNE Coastline 10
  6. BOYLAT Lateral buoy 7
  7. RIVERS River 7
  8. UNSARE 6
  9. SLOTOP 5
  10. SOUNDG Sounding 5
  11. SEAARE Sea area 4
  12. CBLSUB 3
  13. SNDWAV 3
  14. WATTUR 3
  15. CTNARE Caution area 2
  16. LAKARE 2
  17. LNDARE Land area 2
  18. ADMARE 1
  19. M_COVR Coverage 1
  20. M_NPUB 1

Nearby Chart Cells

Approach usage band

  1. Kuskokwim Bay to Bethel, Alaska US4AK6CT - about 18 nm away
  2. Alaska US4AK6AT - about 18 nm away
  3. Kuskokwim Bay to Bethel, Alaska US4AK6BS - about 18 nm away
  4. Kuskokwim Bay to Bethel, Alaska US4AK6BU - about 18 nm away
  5. Kuskokwim Bay to Bethel, Alaska US4AK6CS - about 25 nm away
  6. Alaska US4AK6AS - about 26 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
2.3 Sep 12, 2025 metadata.json