NOAA S-57 chart cell

Conneaut, OH

US4OH1LO

Usage band
Approach · code 4
Current edition
1.1
Features
178
S-57 layers
32
Published
Jul 24, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
42.00000° N
South
41.70000° N
West
80.70000° W
East
80.40000° W
Center
41.85000° N, 80.55000° W
Bounds area
242 sq nm
Feature density
0.7365 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
5.6
Smallest layer
1
Largest layer
28
Area sq km
829
Features per sq km
0.21474
  1. SLCONS Shoreline construction 28
  2. COALNE Coastline 24
  3. RIVERS River 20
  4. DEPCNT Depth contour 18
  5. DEPARE Depth area 14
  6. SBDARE Seabed area 11
  7. LIGHTS Light 7
  8. SOUNDG Sounding 6
  9. BRIDGE 5
  10. BUAARE 4
  11. M_QUAL Data quality 4
  12. OBSTRN Obstruction 4
  13. BCNSPP Special purpose beacon 3
  14. LNDARE Land area 3
  15. SILTNK 3
  16. UWTROC Underwater rock 3
  17. DAYMAR 2
  18. LNDMRK 2
  19. LNDRGN Land region 2
  20. MAGVAR Magnetic variation 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.

Editions

Edition Published Metadata
1.1 Jul 24, 2025 metadata.json