NOAA S-57 chart cell
Lake Superior
US4MI2SI
- Usage band
- Approach · code 4
- Current edition
- 2.1
- Features
- 106
- S-57 layers
- 29
- Published
- Mar 27, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.40000° N
- South
- 47.10000° N
- West
- 88.20000° W
- East
- 87.90000° W
- Center
- 47.25000° N, 88.05000° W
- Bounds area
- 220 sq nm
- Feature density
- 0.4813 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.7
- Smallest layer
- 1
- Largest layer
- 14
- Area sq km
- 755
- Features per sq km
- 0.14033
- COALNE Coastline 14
- DEPARE Depth area 13
- DEPCNT Depth contour 12
- LNDRGN Land region 8
- SBDARE Seabed area 6
- UWTROC Underwater rock 6
- M_QUAL Data quality 4
- RIVERS River 4
- SEAARE Sea area 4
- SLCONS Shoreline construction 4
- LAKARE 3
- LIGHTS Light 3
- LNDMRK 3
- BCNLAT Lateral beacon 2
- BUAARE 2
- DAYMAR 2
- LNDARE Land area 2
- LNDELV 2
- SOUNDG Sounding 2
- ACHARE Anchorage area 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/US4MI2SI.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI2SI/2.1/US4MI2SI.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI2SI/2.1/US4MI2SI.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2SI/2.1/US4MI2SI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2SI/2.1/US4MI2SI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2SI/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | Mar 27, 2025 | metadata.json |