NOAA S-57 chart cell

Lake Erie - Twentymile Creek, PA - NY

US4NY2CC

Usage band
Approach · code 4
Current edition
1.2
Features
74
S-57 layers
20
Published
Mar 23, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
42.30000° N
South
42.00000° N
West
79.80000° W
East
79.50000° W
Center
42.15000° N, 79.65000° W
Bounds area
241 sq nm
Feature density
0.3076 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
3.7
Smallest layer
1
Largest layer
18
Area sq km
825
Features per sq km
0.0897
  1. RIVERS River 18
  2. DEPARE Depth area 12
  3. DEPCNT Depth contour 11
  4. SLCONS Shoreline construction 7
  5. COALNE Coastline 4
  6. SBDARE Seabed area 3
  7. LIGHTS Light 2
  8. LNDARE Land area 2
  9. M_QUAL Data quality 2
  10. PONTON 2
  11. SOUNDG Sounding 2
  12. HRBFAC 1
  13. LNDMRK 1
  14. M_COVR Coverage 1
  15. M_NPUB 1
  16. M_NSYS 1
  17. MAGVAR Magnetic variation 1
  18. RESARE 1
  19. SEAARE Sea area 1
  20. WRECKS Wreck 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.

Editions

Edition Published Metadata
1.2 Mar 23, 2026 metadata.json