NOAA S-57 chart cell
Connecticut River
US5CT1IO
- Usage band
- Harbor · code 5
- Current edition
- 4.0
- Features
- 559
- S-57 layers
- 41
- Published
- Jan 14, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.62500° N
- South
- 41.55000° N
- West
- 72.67500° W
- East
- 72.60000° W
- Center
- 41.58750° N, 72.63750° W
- Bounds area
- 15 sq nm
- Feature density
- 36.858 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.6
- Smallest layer
- 1
- Largest layer
- 113
- Area sq km
- 52
- Features per sq km
- 10.74607
- SLCONS Shoreline construction 113
- DEPCNT Depth contour 82
- DEPARE Depth area 73
- COALNE Coastline 33
- SILTNK 32
- LNDARE Land area 21
- DRGARE 18
- RIVERS River 16
- LNDRGN Land region 13
- SBDARE Seabed area 13
- BUISGL 12
- SEAARE Sea area 11
- BOYLAT Lateral buoy 9
- BUAARE 9
- DAYMAR 9
- LIGHTS Light 9
- BCNLAT Lateral beacon 8
- BRIDGE 8
- MORFAC 8
- PILPNT 8
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/US5CT1IO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5CT1IO/4.0/US5CT1IO.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5CT1IO/4.0/US5CT1IO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5CT1IO/4.0/US5CT1IO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5CT1IO/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | Jan 14, 2026 | metadata.json |