NOAA S-57 chart cell
Lake Superior
US4MI2QT
- Usage band
- Approach · code 4
- Current edition
- 5.0
- Features
- 178
- S-57 layers
- 25
- Published
- May 29, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.80000° N
- South
- 46.50000° N
- West
- 84.90000° W
- East
- 84.60000° W
- Center
- 46.65000° N, 84.75000° W
- Bounds area
- 223 sq nm
- Feature density
- 0.7992 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7.1
- Smallest layer
- 1
- Largest layer
- 46
- Area sq km
- 764
- Features per sq km
- 0.23302
- DEPCNT Depth contour 46
- DEPARE Depth area 44
- SBDARE Seabed area 26
- RECTRC 9
- M_QUAL Data quality 8
- OBSTRN Obstruction 6
- COALNE Coastline 4
- LNDARE Land area 4
- SEAARE Sea area 4
- WRECKS Wreck 4
- ADMARE 2
- BCNSPP Special purpose beacon 2
- LIGHTS Light 2
- M_COVR Coverage 2
- MAGVAR Magnetic variation 2
- RDOCAL 2
- RESARE 2
- SOUNDG Sounding 2
- CBLSUB 1
- DRGARE 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/US4MI2QT.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2QT/5.0/US4MI2QT.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2QT/5.0/US4MI2QT.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2QT/5.0/US4MI2QT.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2QT/5.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.0 | May 29, 2026 | metadata.json |