NOAA S-57 chart cell
Lake Huron - Offshore of Lexington Harbor, MI
US4MI1FL
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 39
- S-57 layers
- 14
- Published
- Aug 14, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 43.50000° N
- South
- 43.20000° N
- West
- 82.50000° W
- East
- 82.20000° W
- Center
- 43.35000° N, 82.35000° W
- Bounds area
- 236 sq nm
- Feature density
- 0.1653 / sq nm
Chart Statistics
14 largest layers shown
- Average features per layer
- 2.8
- Smallest layer
- 1
- Largest layer
- 6
- Area sq km
- 809
- Features per sq km
- 0.0482
- DEPARE Depth area 6
- DEPCNT Depth contour 5
- M_QUAL Data quality 5
- RECTRC 5
- SBDARE Seabed area 5
- M_COVR Coverage 2
- MAGVAR Magnetic variation 2
- SOUNDG Sounding 2
- WRECKS Wreck 2
- M_NPUB 1
- M_NSYS 1
- RESARE 1
- SEAARE Sea area 1
- UWTROC Underwater rock 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/US4MI1FL.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI1FL/2.0/US4MI1FL.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI1FL/2.0/US4MI1FL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI1FL/2.0/US4MI1FL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI1FL/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Aug 14, 2024 | metadata.json |