NOAA S-57 chart cell

Attu Island - Bering Sea

US5A2KII

Usage band
Harbor · code 5
Current edition
1.0
Features
322
S-57 layers
23
Published
Jul 22, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
52.87500° N
South
52.80000° N
West
173.40000° E
East
173.55000° E
Center
52.83750° N, 173.47500° E
Bounds area
24 sq nm
Feature density
13.1438 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
14
Smallest layer
1
Largest layer
106
Area sq km
84
Features per sq km
3.83212
  1. DEPARE Depth area 106
  2. DEPCNT Depth contour 106
  3. SBDARE Seabed area 22
  4. UWTROC Underwater rock 18
  5. COALNE Coastline 15
  6. LNDARE Land area 15
  7. LNDELV 8
  8. SOUNDG Sounding 5
  9. WEDKLP 5
  10. LNDRGN Land region 4
  11. LNDMRK 2
  12. M_QUAL Data quality 2
  13. MAGVAR Magnetic variation 2
  14. RIVERS River 2
  15. SEAARE Sea area 2
  16. ADMARE 1
  17. CBLARE 1
  18. CTNARE Caution area 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