NOAA S-57 chart cell

Southern Entrances to Sumner Strait, AK

US4AK5JK

Usage band
Approach · code 4
Current edition
1.0
Features
5,012
S-57 layers
35
Published
Mar 14, 2024
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
56.10000° N
South
55.80000° N
West
134.40000° W
East
133.80000° W
Center
55.95000° N, 134.10000° W
Bounds area
363 sq nm
Feature density
13.7952 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
143.2
Smallest layer
1
Largest layer
1,310
Area sq km
1,246
Features per sq km
4.02203
  1. UWTROC Underwater rock 1,310
  2. SBDARE Seabed area 865
  3. DEPCNT Depth contour 858
  4. DEPARE Depth area 767
  5. LNDARE Land area 383
  6. WEDKLP 285
  7. OBSTRN Obstruction 157
  8. COALNE Coastline 94
  9. RIVERS River 65
  10. LNDELV 63
  11. SEAARE Sea area 26
  12. M_QUAL Data quality 25
  13. WATTUR 21
  14. SOUNDG Sounding 17
  15. LNDRGN Land region 13
  16. MAGVAR Magnetic variation 8
  17. SLCONS Shoreline construction 8
  18. VEGATN 8
  19. LIGHTS Light 6
  20. ADMARE 5

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
1.0 Mar 14, 2024 metadata.json