NOAA S-57 chart cell
Lake Huron - Amadore to Forester, MI
US4MI1FK
- Usage band
- Approach · code 4
- Current edition
- 2.2
- Features
- 170
- S-57 layers
- 27
- Published
- Jun 3, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 43.50000° N
- South
- 43.20000° N
- West
- 82.80000° W
- East
- 82.50000° W
- Center
- 43.35000° N, 82.65000° W
- Bounds area
- 236 sq nm
- Feature density
- 0.7206 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.3
- Smallest layer
- 1
- Largest layer
- 55
- Area sq km
- 809
- Features per sq km
- 0.21009
- RIVERS River 55
- UWTROC Underwater rock 21
- SLCONS Shoreline construction 14
- DEPCNT Depth contour 12
- DEPARE Depth area 11
- SBDARE Seabed area 9
- M_QUAL Data quality 7
- BUAARE 5
- LNDMRK 5
- LIGHTS Light 4
- BCNLAT Lateral beacon 3
- DAYMAR 3
- MAGVAR Magnetic variation 3
- SOUNDG Sounding 3
- SILTNK 2
- WRECKS Wreck 2
- COALNE Coastline 1
- CTNARE Caution area 1
- LNDARE Land area 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/US4MI1FK.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI1FK/2.2/US4MI1FK.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI1FK/2.2/US4MI1FK.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4MI1FK/2.2/US4MI1FK.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI1FK/2.2/US4MI1FK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI1FK/2.2/US4MI1FK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI1FK/2.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.2 | Jun 3, 2026 | metadata.json |