NOAA S-57 chart cell
Lake Michigan - Big Bay de Noc - Fishdam, MI
US4MI2ON
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 17
- S-57 layers
- 12
- Published
- Jan 5, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.20000° N
- South
- 45.90000° N
- West
- 86.70000° W
- East
- 86.40000° W
- Center
- 46.05000° N, 86.55000° W
- Bounds area
- 225 sq nm
- Feature density
- 0.0755 / sq nm
Chart Statistics
12 largest layers shown
- Average features per layer
- 1.4
- Smallest layer
- 1
- Largest layer
- 4
- Area sq km
- 772
- Features per sq km
- 0.02201
- BUISGL 4
- LIGHTS Light 2
- RIVERS River 2
- BUAARE 1
- LNDARE Land area 1
- LNDMRK 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 1
- MAGVAR Magnetic variation 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/US4MI2ON.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2ON/2.0/US4MI2ON.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2ON/2.0/US4MI2ON.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2ON/2.0/US4MI2ON.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2ON/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jan 5, 2026 | metadata.json |