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
- 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
- DEPARE Depth area 52
- DEPCNT Depth contour 51
- WRECKS Wreck 51
- SBDARE Seabed area 36
- UWTROC Underwater rock 13
- SOUNDG Sounding 9
- M_QUAL Data quality 4
- SEAARE Sea area 4
- BOYLAT Lateral buoy 3
- MAGVAR Magnetic variation 3
- OBSTRN Obstruction 3
- CTNARE Caution area 2
- LIGHTS Light 2
- RESARE 2
- DMPGRD 1
- FOGSIG 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- 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.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US5CT1AD.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5CT1AD/2.0/US5CT1AD.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5CT1AD/2.0/US5CT1AD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5CT1AD/2.0/US5CT1AD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5CT1AD/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jul 29, 2025 | metadata.json |