NOAA S-57 chart cell

Lake Superior

US4MI2TL

Usage band
Approach · code 4
Current edition
1.0
Features
13
S-57 layers
10
Published
Jan 19, 2021
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
47.70000° N
South
47.40000° N
West
87.30000° W
East
87.00000° W
Center
47.55000° N, 87.15000° W
Bounds area
219 sq nm
Feature density
0.0594 / sq nm

Chart Statistics

10 largest layers shown

Average features per layer
1.3
Smallest layer
1
Largest layer
4
Area sq km
751
Features per sq km
0.01731
  1. RECTRC 4
  2. DEPARE Depth area 1
  3. M_COVR Coverage 1
  4. M_NPUB 1
  5. M_NSYS 1
  6. M_QUAL Data quality 1
  7. MAGVAR Magnetic variation 1
  8. RESARE 1
  9. SEAARE Sea area 1
  10. SOUNDG Sounding 1

Nearby Chart Cells

Approach 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 19, 2021 metadata.json