NOAA S-57 chart cell

Popof Strait

US5AK7QP

Usage band
Harbor · code 5
Current edition
1.0
Features
310
S-57 layers
26
Published
Jan 6, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
55.42500° N
South
55.35000° N
West
160.65000° W
East
160.50000° W
Center
55.38750° N, 160.57500° W
Bounds area
23 sq nm
Feature density
13.4572 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
11.9
Smallest layer
1
Largest layer
55
Area sq km
79
Features per sq km
3.92348
  1. DEPCNT Depth contour 55
  2. DEPARE Depth area 49
  3. UWTROC Underwater rock 35
  4. SBDARE Seabed area 33
  5. WEDKLP 32
  6. OBSTRN Obstruction 23
  7. LNDARE Land area 21
  8. M_QUAL Data quality 10
  9. COALNE Coastline 9
  10. RIVERS River 7
  11. LAKARE 6
  12. SEAARE Sea area 5
  13. SOUNDG Sounding 5
  14. CBLSUB 3
  15. LNDELV 3
  16. LNDRGN Land region 3
  17. MAGVAR Magnetic variation 2
  18. BCNLAT Lateral beacon 1
  19. CTNARE Caution area 1
  20. DAYMAR 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 Jan 6, 2025 metadata.json