NOAA S-57 chart cell
Lake Michigan - Grand Traverse Bay to Little Traverse Bay, MI
US4MI2MR
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 279
- S-57 layers
- 42
- Published
- Mar 5, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 45.60000° N
- South
- 45.30000° N
- West
- 85.50000° W
- East
- 85.20000° W
- Center
- 45.45000° N, 85.35000° W
- Bounds area
- 228 sq nm
- Feature density
- 1.2258 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.6
- Smallest layer
- 1
- Largest layer
- 52
- Area sq km
- 781
- Features per sq km
- 0.35739
- DEPARE Depth area 52
- DEPCNT Depth contour 51
- SBDARE Seabed area 36
- SLCONS Shoreline construction 20
- BUISGL 18
- COALNE Coastline 11
- LIGHTS Light 10
- LNDMRK 8
- SILTNK 6
- SLOTOP 6
- SOUNDG Sounding 6
- UWTROC Underwater rock 6
- LNDRGN Land region 4
- SEAARE Sea area 4
- BOYLAT Lateral buoy 3
- M_QUAL Data quality 3
- BUAARE 2
- CTRPNT 2
- FERYRT 2
- FOGSIG 2
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/US4MI2MR.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2MR/1.0/US4MI2MR.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2MR/1.0/US4MI2MR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2MR/1.0/US4MI2MR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2MR/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 5, 2024 | metadata.json |