NOAA S-57 chart cell

Sergius Narrows - Peril Strait, AK

US5AK2SC

Usage band
Harbor · code 5
Current edition
1.0
Features
744
S-57 layers
30
Published
Aug 26, 2024
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
57.45000° N
South
57.37500° N
West
135.75000° W
East
135.60000° W
Center
57.41250° N, 135.67500° W
Bounds area
22 sq nm
Feature density
34.0624 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
24.8
Smallest layer
1
Largest layer
189
Area sq km
75
Features per sq km
9.93101
  1. DEPARE Depth area 189
  2. DEPCNT Depth contour 180
  3. WEDKLP 81
  4. UWTROC Underwater rock 70
  5. SBDARE Seabed area 67
  6. COALNE Coastline 23
  7. LNDARE Land area 23
  8. OBSTRN Obstruction 22
  9. SEAARE Sea area 12
  10. LNDELV 11
  11. LNDRGN Land region 10
  12. RIVERS River 9
  13. WATTUR 8
  14. M_QUAL Data quality 7
  15. BOYLAT Lateral buoy 4
  16. LIGHTS Light 4
  17. CBLSUB 3
  18. SLOGRD 3
  19. BCNLAT Lateral beacon 2
  20. CTRPNT 2

Nearby Chart Cells

Harbor 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 Aug 26, 2024 metadata.json