NOAA S-57 chart cell

Seward, AK

US5AK5ZV

Usage band
Harbor · code 5
Current edition
1.1
Features
529
S-57 layers
45
Published
Sep 29, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
60.15000° N
South
60.07500° N
West
149.55000° W
East
149.40000° W
Center
60.11250° N, 149.47500° W
Bounds area
20 sq nm
Feature density
26.1773 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
11.8
Smallest layer
1
Largest layer
192
Area sq km
69
Features per sq km
7.63207
  1. PONTON 192
  2. SLCONS Shoreline construction 69
  3. BUISGL 29
  4. DEPCNT Depth contour 28
  5. DEPARE Depth area 27
  6. COALNE Coastline 24
  7. OBSTRN Obstruction 17
  8. SBDARE Seabed area 15
  9. LIGHTS Light 11
  10. MORFAC 10
  11. RIVERS River 10
  12. PIPSOL 7
  13. BCNSPP Special purpose beacon 6
  14. LNDARE Land area 6
  15. SOUNDG Sounding 6
  16. UWTROC Underwater rock 6
  17. DAYMAR 5
  18. LNDRGN Land region 5
  19. M_QUAL Data quality 5
  20. CBLSUB 4

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
1.1 Sep 29, 2025 metadata.json