NOAA S-57 chart cell
North Shore of Long Island Sound, Black Rock Harbor
US5CT1CG
- Usage band
- Harbor · code 5
- Current edition
- 4.2
- Features
- 930
- S-57 layers
- 47
- Published
- May 5, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.17500° N
- South
- 41.10000° N
- West
- 73.27500° W
- East
- 73.20000° W
- Center
- 41.13750° N, 73.23750° W
- Bounds area
- 15 sq nm
- Feature density
- 60.8975 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 19.8
- Smallest layer
- 1
- Largest layer
- 165
- Area sq km
- 52
- Features per sq km
- 17.75488
- SLCONS Shoreline construction 165
- UWTROC Underwater rock 119
- DEPCNT Depth contour 81
- COALNE Coastline 76
- SBDARE Seabed area 71
- DEPARE Depth area 66
- PONTON 64
- M_QUAL Data quality 47
- LNDRGN Land region 28
- BUISGL 24
- LIGHTS Light 19
- PILPNT 18
- BOYLAT Lateral buoy 16
- DRGARE 16
- SOUNDG Sounding 13
- OBSTRN Obstruction 12
- SEAARE Sea area 10
- BUAARE 8
- BRIDGE 7
- WRECKS Wreck 7
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/US5CT1CG.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/harbor/US5CT1CG/4.2/US5CT1CG.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/harbor/US5CT1CG/4.2/US5CT1CG.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/harbor/US5CT1CG/4.2/US5CT1CG.002
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5CT1CG/4.2/US5CT1CG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5CT1CG/4.2/US5CT1CG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5CT1CG/4.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.2 | May 5, 2026 | metadata.json |