NOAA S-57 chart cell
Lake Erie - Bar Point, ON and Detroit, MI
US4MI1BJ
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 157
- S-57 layers
- 32
- Published
- Apr 22, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.30000° N
- South
- 42.00000° N
- West
- 83.10000° W
- East
- 82.80000° W
- Center
- 42.15000° N, 82.95000° W
- Bounds area
- 241 sq nm
- Feature density
- 0.6527 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 4.9
- Smallest layer
- 1
- Largest layer
- 15
- Area sq km
- 825
- Features per sq km
- 0.1903
- COALNE Coastline 15
- FSHFAC 15
- OBSTRN Obstruction 15
- SLCONS Shoreline construction 13
- DEPARE Depth area 11
- M_QUAL Data quality 9
- LIGHTS Light 8
- LNDRGN Land region 8
- LNDMRK 7
- BUISGL 6
- DEPCNT Depth contour 6
- SEAARE Sea area 6
- BRIDGE 5
- CTNARE Caution area 4
- BUAARE 3
- SOUNDG Sounding 3
- ADMARE 2
- CTRPNT 2
- LNDARE Land area 2
- M_COVR Coverage 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/US4MI1BJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI1BJ/2.0/US4MI1BJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI1BJ/2.0/US4MI1BJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI1BJ/2.0/US4MI1BJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI1BJ/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Apr 22, 2025 | metadata.json |