NOAA S-57 chart cell

Ratz Harbor, AK

US5AK3XI

Usage band
Harbor · code 5
Current edition
1.0
Features
165
S-57 layers
23
Published
Jul 2, 2024
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
55.95000° N
South
55.87500° N
West
132.75000° W
East
132.60000° W
Center
55.91250° N, 132.67500° W
Bounds area
23 sq nm
Feature density
7.2594 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
7.2
Smallest layer
1
Largest layer
35
Area sq km
78
Features per sq km
2.11649
  1. DEPCNT Depth contour 35
  2. DEPARE Depth area 27
  3. UWTROC Underwater rock 22
  4. SBDARE Seabed area 17
  5. COALNE Coastline 14
  6. LNDARE Land area 12
  7. M_QUAL Data quality 6
  8. LNDRGN Land region 4
  9. OBSTRN Obstruction 4
  10. RIVERS River 4
  11. M_NPUB 3
  12. SOUNDG Sounding 3
  13. CBLARE 2
  14. SEAARE Sea area 2
  15. SWPARE 2
  16. BUISGL 1
  17. CBLSUB 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 2, 2024 metadata.json