NOAA S-57 chart cell
Connecticut River
US5CT1GQ
- Usage band
- Harbor · code 5
- Current edition
- 4.0
- Features
- 325
- S-57 layers
- 41
- Published
- Jan 14, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.47500° N
- South
- 41.40000° N
- West
- 72.52500° W
- East
- 72.45000° W
- Center
- 41.43750° N, 72.48750° W
- Bounds area
- 15 sq nm
- Feature density
- 21.3795 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7.9
- Smallest layer
- 1
- Largest layer
- 64
- Area sq km
- 52
- Features per sq km
- 6.23326
- DEPCNT Depth contour 64
- DEPARE Depth area 57
- SLCONS Shoreline construction 51
- COALNE Coastline 21
- M_QUAL Data quality 18
- SOUNDG Sounding 13
- RIVERS River 9
- LNDARE Land area 8
- LNDRGN Land region 8
- DRGARE 6
- PILPNT 6
- BOYLAT Lateral buoy 5
- SBDARE Seabed area 5
- BRIDGE 4
- LNDELV 4
- SEAARE Sea area 4
- BUAARE 3
- LIGHTS Light 3
- OBSTRN Obstruction 3
- PYLONS 3
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/US5CT1GQ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5CT1GQ/4.0/US5CT1GQ.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5CT1GQ/4.0/US5CT1GQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5CT1GQ/4.0/US5CT1GQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5CT1GQ/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | Jan 14, 2026 | metadata.json |