NOAA S-57 chart cell
Long Island Sound and Hammonasset Point
US5CT1DP
- Usage band
- Harbor · code 5
- Current edition
- 3.0
- Features
- 188
- S-57 layers
- 21
- Published
- Aug 6, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.25000° N
- South
- 41.17500° N
- West
- 72.60000° W
- East
- 72.52500° W
- Center
- 41.21250° N, 72.56250° W
- Bounds area
- 15 sq nm
- Feature density
- 12.3246 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9
- Smallest layer
- 1
- Largest layer
- 49
- Area sq km
- 52
- Features per sq km
- 3.59327
- DEPCNT Depth contour 49
- DEPARE Depth area 45
- SBDARE Seabed area 30
- UWTROC Underwater rock 17
- SOUNDG Sounding 10
- M_QUAL Data quality 7
- COALNE Coastline 4
- SNDWAV 4
- OBSTRN Obstruction 3
- WRECKS Wreck 3
- LNDARE Land area 2
- MAGVAR Magnetic variation 2
- RESARE 2
- SEAARE Sea area 2
- SLCONS Shoreline construction 2
- BOYLAT Lateral buoy 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US5CT1DP.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5CT1DP/3.0/US5CT1DP.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5CT1DP/3.0/US5CT1DP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5CT1DP/3.0/US5CT1DP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5CT1DP/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | Aug 6, 2025 | metadata.json |