NOAA S-57 chart cell

Lake Superior

US4MI1PD

Usage band
Approach · code 4
Current edition
2.1
Features
189
S-57 layers
34
Published
Mar 4, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
46.50000° N
South
46.20000° N
West
84.90000° W
East
84.60000° W
Center
46.35000° N, 84.75000° W
Bounds area
224 sq nm
Feature density
0.844 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
5.6
Smallest layer
1
Largest layer
39
Area sq km
768
Features per sq km
0.24606
  1. DEPARE Depth area 39
  2. DEPCNT Depth contour 36
  3. UWTROC Underwater rock 16
  4. SBDARE Seabed area 11
  5. OBSTRN Obstruction 8
  6. RIVERS River 8
  7. SEAARE Sea area 8
  8. LAKARE 7
  9. M_QUAL Data quality 7
  10. LNDRGN Land region 5
  11. COALNE Coastline 4
  12. CTRPNT 3
  13. LNDARE Land area 3
  14. RESARE 3
  15. WEDKLP 3
  16. ADMARE 2
  17. BOYLAT Lateral buoy 2
  18. BUISGL 2
  19. DRGARE 2
  20. FAIRWY Fairway 2

Nearby Chart Cells

Approach usage band

  1. Lake Superior - Tahquamenon Bay to Naomikong Point, MI US4MI2PS - about 12 nm away
  2. Saint Marys River US4MI1PE - about 12 nm away
  3. Lake Superior US4MI2QT - about 18 nm away
  4. Lake Huron - St Martin Bay, MI US4MI1OD - about 18 nm away
  5. Lake Superior - Whitefish Point to Tahquamenon Bay, MI US4MI2QS - about 22 nm away
  6. Saint Marys River US4MI2QU - about 22 nm away

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
2.1 Mar 4, 2026 metadata.json