NOAA S-57 chart cell

Lake Erie - Point Mouillee To La Plaisance Bay, MI

US4MI1AI

Usage band
Approach · code 4
Current edition
2.4
Features
1,191
S-57 layers
51
Published
Dec 31, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
42.00000° N
South
41.70000° N
West
83.40000° W
East
83.10000° W
Center
41.85000° N, 83.25000° W
Bounds area
242 sq nm
Feature density
4.9282 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
23.4
Smallest layer
1
Largest layer
287
Area sq km
829
Features per sq km
1.43683
  1. OBSTRN Obstruction 287
  2. FSHFAC 275
  3. DEPCNT Depth contour 92
  4. DEPARE Depth area 85
  5. LIGHTS Light 73
  6. BOYLAT Lateral buoy 45
  7. COALNE Coastline 38
  8. LNDARE Land area 25
  9. PILPNT 22
  10. RIVERS River 21
  11. LNDRGN Land region 20
  12. M_QUAL Data quality 20
  13. BOYSPP Special purpose buoy 19
  14. SBDARE Seabed area 19
  15. WRECKS Wreck 14
  16. SLCONS Shoreline construction 12
  17. BCNSPP Special purpose beacon 10
  18. RECTRC 10
  19. LNDMRK 9
  20. BRIDGE 8

Nearby Chart Cells

Approach usage band

  1. Lake Erie - North Bass Island, OH US4OH1LG - about 13 nm away
  2. Lake Erie - Otter Creek, MI To Ottawa River, OH US4MI1AH - about 13 nm away
  3. Detroit River - Zug Island to Pointe Mouillee, MI US4MI1BI - about 18 nm away
  4. Lake Erie - Cedar Point to Long Beach, OH US4OH1KF - about 18 nm away
  5. Lake Erie - Bar Point, ON and Detroit, MI US4MI1BJ - about 22 nm away
  6. Lake Erie and Sandusky Bay, OH US4OH1KG - about 22 nm away

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.

Editions

Edition Published Metadata
2.4 Dec 31, 2025 metadata.json