NOAA S-57 chart cell

Lake Erie - Mentor Harbor, OH

US4OH1LL

Usage band
Approach · code 4
Current edition
1.3
Features
110
S-57 layers
25
Published
May 21, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
42.00000° N
South
41.70000° N
West
81.60000° W
East
81.30000° W
Center
41.85000° N, 81.45000° W
Bounds area
242 sq nm
Feature density
0.4552 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
4.4
Smallest layer
1
Largest layer
12
Area sq km
829
Features per sq km
0.1327
  1. DEPARE Depth area 12
  2. SLCONS Shoreline construction 12
  3. DEPCNT Depth contour 11
  4. COALNE Coastline 10
  5. RECTRC 10
  6. SBDARE Seabed area 9
  7. OBSTRN Obstruction 7
  8. LIGHTS Light 6
  9. BOYSPP Special purpose buoy 5
  10. SOUNDG Sounding 5
  11. PIPSOL 4
  12. BUAARE 3
  13. M_QUAL Data quality 3
  14. WRECKS Wreck 2
  15. BCNSPP Special purpose beacon 1
  16. BRIDGE 1
  17. CTNARE Caution area 1
  18. DAYMAR 1
  19. LNDARE Land area 1
  20. M_COVR Coverage 1

Nearby Chart Cells

Approach usage band

  1. Lake Erie - Grand River to Arcola Creek, OH US4OH1LM - about 13 nm away
  2. Lake Erie - Offshore of Cleveland, OH US4OH1LK - about 13 nm away
  3. Lake Erie - Offshore of Mentor Harbor, OH US4OH1ML - about 18 nm away
  4. Lake Erie - Nottingham to Chagrin River, OH US4OH1KL - about 18 nm away
  5. Lake Erie - North Of Grand River, OH US4OH1MM - about 22 nm away
  6. Lake Erie - Lake Center Offshore of Cleveland, OH US4OH1MK - 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
1.3 May 21, 2026 metadata.json