NOAA S-57 chart cell
Connecticut River, Deep River to Lord Island
US5CT1GR
- Usage band
- Harbor · code 5
- Current edition
- 2.1
- Features
- 339
- S-57 layers
- 40
- Published
- Sep 19, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.47500° N
- South
- 41.40000° N
- West
- 72.45000° W
- East
- 72.37500° W
- Center
- 41.43750° N, 72.41250° W
- Bounds area
- 15 sq nm
- Feature density
- 22.3004 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8.5
- Smallest layer
- 1
- Largest layer
- 78
- Area sq km
- 52
- Features per sq km
- 6.50176
- SLCONS Shoreline construction 78
- COALNE Coastline 64
- LNDRGN Land region 33
- DEPCNT Depth contour 32
- DEPARE Depth area 23
- RIVERS River 12
- LIGHTS Light 9
- PILPNT 8
- LNDARE Land area 7
- BCNSPP Special purpose beacon 6
- SOUNDG Sounding 6
- M_QUAL Data quality 5
- MAGVAR Magnetic variation 5
- SEAARE Sea area 5
- DAYMAR 4
- OBSTRN Obstruction 4
- ACHARE Anchorage area 3
- DRGARE 3
- LNDELV 3
- SBDARE Seabed area 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/US5CT1GR.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/harbor/US5CT1GR/2.1/US5CT1GR.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/harbor/US5CT1GR/2.1/US5CT1GR.001
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5CT1GR/2.1/US5CT1GR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5CT1GR/2.1/US5CT1GR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5CT1GR/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | Sep 19, 2025 | metadata.json |