NOAA S-57 chart cell
Lake Michigan - Burns International Harbor, IN
US4IN1CD
- Usage band
- Approach · code 4
- Current edition
- 3.1
- Features
- 324
- S-57 layers
- 39
- Published
- Apr 8, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.70000° N
- South
- 41.40000° N
- West
- 87.30000° W
- East
- 87.00000° W
- Center
- 41.55000° N, 87.15000° W
- Bounds area
- 243 sq nm
- Feature density
- 1.3344 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8.3
- Smallest layer
- 1
- Largest layer
- 59
- Area sq km
- 833
- Features per sq km
- 0.38906
- SLCONS Shoreline construction 59
- COALNE Coastline 42
- DEPARE Depth area 24
- DEPCNT Depth contour 23
- BUISGL 22
- LIGHTS Light 20
- OBSTRN Obstruction 13
- LAKARE 11
- LNDMRK 10
- BRIDGE 9
- M_QUAL Data quality 9
- SOUNDG Sounding 8
- CBLOHD 7
- LNDRGN Land region 6
- PONTON 6
- SEAARE Sea area 6
- SLOGRD 6
- BCNSPP Special purpose beacon 5
- PIPSOL 5
- RECTRC 5
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/US4IN1CD.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4IN1CD/3.1/US4IN1CD.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4IN1CD/3.1/US4IN1CD.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4IN1CD/3.1/US4IN1CD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4IN1CD/3.1/US4IN1CD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4IN1CD/3.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.1 | Apr 8, 2026 | metadata.json |