NOAA S-57 chart cell
Lake Michigan - Platte River and Platte Bay, MI
US4MI2KO
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 149
- S-57 layers
- 25
- Published
- Sep 26, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 45.00000° N
- South
- 44.70000° N
- West
- 86.40000° W
- East
- 86.10000° W
- Center
- 44.85000° N, 86.25000° W
- Bounds area
- 230 sq nm
- Feature density
- 0.6478 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6
- Smallest layer
- 1
- Largest layer
- 39
- Area sq km
- 789
- Features per sq km
- 0.18887
- DEPARE Depth area 39
- DEPCNT Depth contour 39
- SBDARE Seabed area 16
- RECTRC 7
- SOUNDG Sounding 5
- WRECKS Wreck 5
- BOYLAT Lateral buoy 4
- SEAARE Sea area 4
- UWTROC Underwater rock 4
- LAKARE 3
- LIGHTS Light 3
- COALNE Coastline 2
- FOGSIG 2
- LNDARE Land area 2
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- RIVERS River 2
- BOYSPP Special purpose buoy 1
- C_AGGR 1
- LNDRGN Land region 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/US4MI2KO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2KO/1.0/US4MI2KO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2KO/1.0/US4MI2KO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2KO/1.0/US4MI2KO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2KO/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 26, 2024 | metadata.json |