NOAA S-57 chart cell

Attu Island - Chichagof Harbor

US5A2KJG

Usage band
Harbor · code 5
Current edition
1.0
Features
808
S-57 layers
23
Published
Jul 22, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
52.95000° N
South
52.87500° N
West
173.10000° E
East
173.25000° E
Center
52.91250° N, 173.17500° E
Bounds area
24 sq nm
Feature density
33.0391 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
35.1
Smallest layer
1
Largest layer
211
Area sq km
84
Features per sq km
9.63265
  1. LNDARE Land area 211
  2. COALNE Coastline 201
  3. UWTROC Underwater rock 100
  4. DEPCNT Depth contour 76
  5. DEPARE Depth area 74
  6. SBDARE Seabed area 65
  7. OBSTRN Obstruction 23
  8. RIVERS River 19
  9. LNDRGN Land region 8
  10. SEAARE Sea area 6
  11. LNDELV 5
  12. SLCONS Shoreline construction 4
  13. SOUNDG Sounding 3
  14. M_QUAL Data quality 2
  15. WEDKLP 2
  16. WRECKS Wreck 2
  17. BCNSPP Special purpose beacon 1
  18. BRIDGE 1
  19. M_COVR Coverage 1
  20. M_NPUB 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 22, 2025 metadata.json