NOAA S-57 chart cell
Lake Michigan - Grand Traverse Bay, East Arm, MI
US4MI2KR
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 270
- S-57 layers
- 37
- Published
- Sep 26, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 45.00000° N
- South
- 44.70000° N
- West
- 85.50000° W
- East
- 85.20000° W
- Center
- 44.85000° N, 85.35000° W
- Bounds area
- 230 sq nm
- Feature density
- 1.1739 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7.3
- Smallest layer
- 1
- Largest layer
- 31
- Area sq km
- 789
- Features per sq km
- 0.34224
- DEPCNT Depth contour 31
- DEPARE Depth area 29
- BUISGL 22
- SLCONS Shoreline construction 19
- RIVERS River 17
- SLOTOP 16
- OBSTRN Obstruction 15
- COALNE Coastline 13
- LAKARE 12
- BUAARE 11
- LNDRGN Land region 9
- PONTON 9
- SBDARE Seabed area 9
- LNDARE Land area 7
- UWTROC Underwater rock 6
- FSHFAC 5
- SEAARE Sea area 4
- BRIDGE 3
- LNDMRK 3
- OFSPLF 3
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/US4MI2KR.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2KR/1.0/US4MI2KR.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2KR/1.0/US4MI2KR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2KR/1.0/US4MI2KR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2KR/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 26, 2024 | metadata.json |