NOAA S-57 chart cell

Lake Ontario - Irondequoit Bay, NY

US4NY2GJ

Usage band
Approach · code 4
Current edition
2.1
Features
282
S-57 layers
38
Published
Jul 2, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
43.50000° N
South
43.20000° N
West
77.70000° W
East
77.40000° W
Center
43.35000° N, 77.55000° W
Bounds area
236 sq nm
Feature density
1.1953 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
7.4
Smallest layer
1
Largest layer
47
Area sq km
809
Features per sq km
0.3485
  1. COALNE Coastline 47
  2. SLCONS Shoreline construction 23
  3. LNDRGN Land region 19
  4. DEPARE Depth area 18
  5. M_QUAL Data quality 18
  6. DEPCNT Depth contour 17
  7. RIVERS River 17
  8. PIPSOL 14
  9. OBSTRN Obstruction 11
  10. LNDMRK 9
  11. BRIDGE 8
  12. LAKARE 8
  13. LIGHTS Light 8
  14. LNDARE Land area 8
  15. SBDARE Seabed area 8
  16. RECTRC 6
  17. SEAARE Sea area 5
  18. SOUNDG Sounding 5
  19. BCNLAT Lateral beacon 3
  20. BUAARE 3

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
2.1 Jul 2, 2025 metadata.json