NOAA S-57 chart cell

Port Protection, AK

US5AK2EP

Usage band
Harbor · code 5
Current edition
1.0
Features
303
S-57 layers
22
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
133.80000° W
East
133.65000° W
Center
56.36250° N, 133.72500° W
Bounds area
22 sq nm
Feature density
13.4878 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
13.8
Smallest layer
1
Largest layer
91
Area sq km
77
Features per sq km
3.93241
  1. DEPARE Depth area 91
  2. DEPCNT Depth contour 90
  3. SBDARE Seabed area 30
  4. LNDARE Land area 20
  5. UWTROC Underwater rock 18
  6. COALNE Coastline 10
  7. SEAARE Sea area 7
  8. M_QUAL Data quality 6
  9. M_NPUB 5
  10. SOUNDG Sounding 5
  11. WEDKLP 5
  12. OBSTRN Obstruction 4
  13. MAGVAR Magnetic variation 2
  14. RIVERS River 2
  15. BOYLAT Lateral buoy 1
  16. FOGSIG 1
  17. LIGHTS Light 1
  18. LNDELV 1
  19. M_COVR Coverage 1
  20. M_NSYS 1

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