NOAA S-57 chart cell

Connecticut

US4CT1AE

Usage band
Approach · code 4
Current edition
1.8
Features
2,339
S-57 layers
56
Published
May 4, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
41.40000° N
South
41.10000° N
West
72.30000° W
East
72.00000° W
Center
41.25000° N, 72.15000° W
Bounds area
244 sq nm
Feature density
9.589 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
41.8
Smallest layer
1
Largest layer
376
Area sq km
837
Features per sq km
2.79571
  1. SLCONS Shoreline construction 376
  2. COALNE Coastline 351
  3. UWTROC Underwater rock 288
  4. DEPCNT Depth contour 243
  5. DEPARE Depth area 226
  6. SBDARE Seabed area 129
  7. LNDARE Land area 112
  8. LNDRGN Land region 85
  9. OBSTRN Obstruction 62
  10. M_QUAL Data quality 52
  11. RIVERS River 51
  12. BOYLAT Lateral buoy 46
  13. SEAARE Sea area 42
  14. LIGHTS Light 37
  15. BRIDGE 25
  16. SOUNDG Sounding 23
  17. LAKARE 18
  18. LNDMRK 18
  19. CTNARE Caution area 16
  20. FOGSIG 15

Nearby Chart Cells

Approach usage band

  1. Connecticut US4CT1AD - about 14 nm away
  2. Connecticut US4CT1AF - about 14 nm away
  3. Connecticut US4CT1BE - about 18 nm away
  4. New York US4NY1BW - about 18 nm away
  5. Block Island Sound and Approaches US4CN22M - about 22 nm away
  6. Connecticut US4CT1BD - about 23 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
1.8 May 4, 2026 metadata.json