NOAA S-57 chart cell

Long Island Sound

US5CT1AD

Usage band
Harbor · code 5
Current edition
2.0
Features
241
S-57 layers
20
Published
Jul 29, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
41.02500° N
South
40.95000° N
West
73.50000° W
East
73.42500° W
Center
40.98750° N, 73.46250° W
Bounds area
15 sq nm
Feature density
15.745 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
12.1
Smallest layer
1
Largest layer
52
Area sq km
52
Features per sq km
4.59051
  1. DEPARE Depth area 52
  2. DEPCNT Depth contour 51
  3. WRECKS Wreck 51
  4. SBDARE Seabed area 36
  5. UWTROC Underwater rock 13
  6. SOUNDG Sounding 9
  7. M_QUAL Data quality 4
  8. SEAARE Sea area 4
  9. BOYLAT Lateral buoy 3
  10. MAGVAR Magnetic variation 3
  11. OBSTRN Obstruction 3
  12. CTNARE Caution area 2
  13. LIGHTS Light 2
  14. RESARE 2
  15. DMPGRD 1
  16. FOGSIG 1
  17. M_COVR Coverage 1
  18. M_NPUB 1
  19. M_NSYS 1
  20. PIPSOL 1

Nearby Chart Cells

Harbor 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
2.0 Jul 29, 2025 metadata.json