NOAA S-57 chart cell
Lake Michigan - Little Traverse Bay, MI
US4MI2MS
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 421
- S-57 layers
- 37
- Published
- Oct 28, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 45.60000° N
- South
- 45.30000° N
- West
- 85.20000° W
- East
- 84.90000° W
- Center
- 45.45000° N, 85.05000° W
- Bounds area
- 228 sq nm
- Feature density
- 1.8497 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 11.4
- Smallest layer
- 1
- Largest layer
- 56
- Area sq km
- 781
- Features per sq km
- 0.53929
- DEPCNT Depth contour 56
- BUISGL 49
- DEPARE Depth area 45
- COALNE Coastline 43
- SLCONS Shoreline construction 42
- SLOTOP 33
- SBDARE Seabed area 29
- UWTROC Underwater rock 26
- LNDMRK 11
- LIGHTS Light 10
- BUAARE 8
- LNDARE Land area 6
- SEAARE Sea area 6
- LNDRGN Land region 5
- OBSTRN Obstruction 5
- PONTON 4
- SOUNDG Sounding 4
- BCNSPP Special purpose beacon 3
- CTNARE Caution area 3
- LAKARE 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/US4MI2MS.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI2MS/1.1/US4MI2MS.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI2MS/1.1/US4MI2MS.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2MS/1.1/US4MI2MS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2MS/1.1/US4MI2MS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2MS/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Oct 28, 2024 | metadata.json |