NOAA S-57 chart cell

Holkham Bay and Tracy Arm

US5AK2XP

Usage band
Harbor · code 5
Current edition
4.0
Features
185
S-57 layers
20
Published
Jun 10, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
57.82500° N
South
57.75000° N
West
133.80000° W
East
133.65000° W
Center
57.78750° N, 133.72500° W
Bounds area
22 sq nm
Feature density
8.5576 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
9.3
Smallest layer
1
Largest layer
70
Area sq km
74
Features per sq km
2.495
  1. DEPARE Depth area 70
  2. DEPCNT Depth contour 57
  3. SBDARE Seabed area 13
  4. M_QUAL Data quality 8
  5. UWTROC Underwater rock 7
  6. RIVERS River 6
  7. LNDARE Land area 3
  8. SOUNDG Sounding 3
  9. ADMARE 2
  10. COALNE Coastline 2
  11. CTNARE Caution area 2
  12. LNDELV 2
  13. LNDRGN Land region 2
  14. SEAARE Sea area 2
  15. CBLARE 1
  16. M_COVR Coverage 1
  17. M_NPUB 1
  18. M_NSYS 1
  19. MAGVAR Magnetic variation 1
  20. TESARE 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
4.0 Jun 10, 2026 metadata.json