NOAA S-57 chart cell

Attu Island - Chichagof Harbor

US5A2KJH

Usage band
Harbor · code 5
Current edition
1.0
Features
1,340
S-57 layers
24
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
173.25000° E
East
173.40000° E
Center
52.91250° N, 173.32500° E
Bounds area
24 sq nm
Feature density
54.7925 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
55.8
Smallest layer
1
Largest layer
229
Area sq km
84
Features per sq km
15.97495
  1. LNDARE Land area 229
  2. DEPARE Depth area 225
  3. DEPCNT Depth contour 216
  4. UWTROC Underwater rock 203
  5. COALNE Coastline 185
  6. WEDKLP 150
  7. SBDARE Seabed area 67
  8. RIVERS River 13
  9. LNDRGN Land region 11
  10. OBSTRN Obstruction 10
  11. SEAARE Sea area 8
  12. LNDELV 6
  13. SOUNDG Sounding 4
  14. CBLARE 2
  15. M_QUAL Data quality 2
  16. ADMARE 1
  17. BCNSPP Special purpose beacon 1
  18. LNDMRK 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