NOAA S-57 chart cell

Lake Erie - North of Portland, NY

US4NY2EC

Usage band
Approach · code 4
Current edition
1.1
Features
11
S-57 layers
9
Published
Mar 23, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
42.90000° N
South
42.60000° N
West
79.80000° W
East
79.50000° W
Center
42.75000° N, 79.65000° W
Bounds area
238 sq nm
Feature density
0.0462 / sq nm

Chart Statistics

9 largest layers shown

Average features per layer
1.2
Smallest layer
1
Largest layer
2
Area sq km
817
Features per sq km
0.01346
  1. M_COVR Coverage 2
  2. MAGVAR Magnetic variation 2
  3. DEPARE Depth area 1
  4. M_NPUB 1
  5. M_NSYS 1
  6. M_QUAL Data quality 1
  7. RECTRC 1
  8. RESARE 1
  9. SEAARE Sea area 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
1.1 Mar 23, 2026 metadata.json