NOAA S-57 chart cell
Lake Michigan - Grand Traverse Bay, MI
US4MI2LR
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 252
- S-57 layers
- 27
- Published
- Sep 26, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 45.30000° N
- South
- 45.00000° N
- West
- 85.50000° W
- East
- 85.20000° W
- Center
- 45.15000° N, 85.35000° W
- Bounds area
- 229 sq nm
- Feature density
- 1.1013 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.3
- Smallest layer
- 1
- Largest layer
- 66
- Area sq km
- 785
- Features per sq km
- 0.3211
- DEPARE Depth area 66
- DEPCNT Depth contour 64
- SBDARE Seabed area 27
- COALNE Coastline 19
- BUISGL 16
- SLOTOP 8
- BUAARE 7
- SLCONS Shoreline construction 5
- UWTROC Underwater rock 5
- LNDRGN Land region 4
- RIVERS River 4
- SEAARE Sea area 4
- BOYLAT Lateral buoy 3
- M_QUAL Data quality 3
- LAKARE 2
- LNDARE Land area 2
- RESARE 2
- RUNWAY 2
- CTNARE Caution area 1
- FOGSIG 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/US4MI2LR.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI2LR/1.1/US4MI2LR.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI2LR/1.1/US4MI2LR.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2LR/1.1/US4MI2LR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2LR/1.1/US4MI2LR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2LR/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Sep 26, 2024 | metadata.json |