NOAA S-57 chart cell

Alaska

US4AK3KP

Usage band
Approach · code 4
Current edition
1.0
Features
3,514
S-57 layers
28
Published
Nov 29, 2023
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
54.90000° N
South
54.60000° N
West
162.60000° W
East
162.00000° W
Center
54.75000° N, 162.30000° W
Bounds area
374 sq nm
Feature density
9.3833 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
125.5
Smallest layer
1
Largest layer
948
Area sq km
1,284
Features per sq km
2.73573
  1. DEPCNT Depth contour 948
  2. DEPARE Depth area 856
  3. UWTROC Underwater rock 369
  4. WEDKLP 318
  5. COALNE Coastline 274
  6. LNDARE Land area 224
  7. SBDARE Seabed area 213
  8. LNDELV 102
  9. M_QUAL Data quality 96
  10. OBSTRN Obstruction 46
  11. RIVERS River 21
  12. SOUNDG Sounding 9
  13. LAKARE 6
  14. UNSARE 6
  15. SLCONS Shoreline construction 4
  16. LNDRGN Land region 3
  17. WRECKS Wreck 3
  18. CTNARE Caution area 2
  19. FSHFAC 2
  20. MAGVAR Magnetic variation 2

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 Nov 29, 2023 metadata.json