NOAA S-57 chart cell

Lake Bay and Approaches, AK

US5AK3YH

Usage band
Harbor · code 5
Current edition
1.1
Features
590
S-57 layers
32
Published
Feb 14, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
56.02500° N
South
55.95000° N
West
132.90000° W
East
132.75000° W
Center
55.98750° N, 132.82500° W
Bounds area
23 sq nm
Feature density
26.0081 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
18.4
Smallest layer
1
Largest layer
155
Area sq km
78
Features per sq km
7.58274
  1. UWTROC Underwater rock 155
  2. DEPCNT Depth contour 92
  3. DEPARE Depth area 81
  4. COALNE Coastline 53
  5. SBDARE Seabed area 50
  6. LNDARE Land area 31
  7. OBSTRN Obstruction 24
  8. M_QUAL Data quality 17
  9. BUISGL 14
  10. SLCONS Shoreline construction 14
  11. WEDKLP 14
  12. LNDRGN Land region 5
  13. LIGHTS Light 4
  14. M_NPUB 4
  15. RIVERS River 4
  16. SEAARE Sea area 4
  17. SOUNDG Sounding 4
  18. BOYLAT Lateral buoy 2
  19. CBLSUB 2
  20. DAYMAR 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
1.1 Feb 14, 2025 metadata.json