NOAA S-57 chart cell
Lake Superior
US4MI2TJ
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 169
- S-57 layers
- 32
- Published
- Oct 31, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.70000° N
- South
- 47.40000° N
- West
- 87.90000° W
- East
- 87.60000° W
- Center
- 47.55000° N, 87.75000° W
- Bounds area
- 219 sq nm
- Feature density
- 0.7718 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 5.3
- Smallest layer
- 1
- Largest layer
- 30
- Area sq km
- 751
- Features per sq km
- 0.22501
- UWTROC Underwater rock 30
- DEPARE Depth area 26
- DEPCNT Depth contour 25
- LNDARE Land area 10
- LAKARE 9
- RECTRC 9
- SBDARE Seabed area 7
- COALNE Coastline 6
- LIGHTS Light 5
- M_QUAL Data quality 5
- SEAARE Sea area 5
- BCNSPP Special purpose beacon 4
- BUISGL 3
- CTRPNT 3
- DAYMAR 2
- MAGVAR Magnetic variation 2
- RESARE 2
- SOUNDG Sounding 2
- BOYLAT Lateral buoy 1
- BOYSAW 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.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US4MI2TJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2TJ/3.0/US4MI2TJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2TJ/3.0/US4MI2TJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2TJ/3.0/US4MI2TJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2TJ/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | Oct 31, 2024 | metadata.json |