NOAA S-57 chart cell

Port Protection, AK

US5AK2EQ

Usage band
Harbor · code 5
Current edition
1.0
Features
477
S-57 layers
29
Published
Jul 18, 2024
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
56.40000° N
South
56.32500° N
West
133.65000° W
East
133.50000° W
Center
56.36250° N, 133.57500° W
Bounds area
22 sq nm
Feature density
21.2333 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
16.4
Smallest layer
1
Largest layer
131
Area sq km
77
Features per sq km
6.19063
  1. DEPCNT Depth contour 131
  2. DEPARE Depth area 126
  3. UWTROC Underwater rock 55
  4. SBDARE Seabed area 41
  5. LNDARE Land area 28
  6. COALNE Coastline 22
  7. OBSTRN Obstruction 9
  8. SLCONS Shoreline construction 8
  9. M_QUAL Data quality 7
  10. BCNSPP Special purpose beacon 5
  11. DAYMAR 5
  12. RIVERS River 5
  13. SOUNDG Sounding 5
  14. LIGHTS Light 4
  15. SEAARE Sea area 4
  16. WEDKLP 3
  17. BUISGL 2
  18. CBLARE 2
  19. LNDELV 2
  20. LNDRGN Land region 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 Jul 18, 2024 metadata.json