NOAA S-57 chart cell
Lake Michigan - North of Burns International Harbor, IN
US4IN1DD
- Usage band
- Approach · code 4
- Current edition
- 2.2
- Features
- 25
- S-57 layers
- 12
- Published
- Jul 18, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.00000° N
- South
- 41.70000° N
- West
- 87.30000° W
- East
- 87.00000° W
- Center
- 41.85000° N, 87.15000° W
- Bounds area
- 242 sq nm
- Feature density
- 0.1034 / sq nm
Chart Statistics
12 largest layers shown
- Average features per layer
- 2.1
- Smallest layer
- 1
- Largest layer
- 6
- Area sq km
- 829
- Features per sq km
- 0.03016
- RECTRC 6
- M_QUAL Data quality 4
- SOUNDG Sounding 4
- SBDARE Seabed area 3
- DEPARE Depth area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- OBSTRN Obstruction 1
- RESARE 1
- SEAARE Sea area 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/US4IN1DD.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4IN1DD/2.2/US4IN1DD.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4IN1DD/2.2/US4IN1DD.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4IN1DD/2.2/US4IN1DD.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4IN1DD/2.2/US4IN1DD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4IN1DD/2.2/US4IN1DD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4IN1DD/2.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.2 | Jul 18, 2025 | metadata.json |