NOAA S-57 chart cell
Lake Huron - Lakeport to Amadore, MI
US4MI1EK
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 30
- S-57 layers
- 17
- Published
- May 20, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 43.20000° N
- South
- 42.90000° N
- West
- 82.80000° W
- East
- 82.50000° W
- Center
- 43.05000° N, 82.65000° W
- Bounds area
- 237 sq nm
- Feature density
- 0.1265 / sq nm
Chart Statistics
17 largest layers shown
- Average features per layer
- 1.8
- Smallest layer
- 1
- Largest layer
- 4
- Area sq km
- 813
- Features per sq km
- 0.03689
- DEPARE Depth area 4
- M_QUAL Data quality 4
- DEPCNT Depth contour 3
- BUAARE 2
- BUISGL 2
- MAGVAR Magnetic variation 2
- RIVERS River 2
- SOUNDG Sounding 2
- COALNE Coastline 1
- LNDARE Land area 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- PIPSOL 1
- RESARE 1
- SEAARE Sea 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/US4MI1EK.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI1EK/2.0/US4MI1EK.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI1EK/2.0/US4MI1EK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI1EK/2.0/US4MI1EK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI1EK/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | May 20, 2025 | metadata.json |