NOAA S-57 chart cell
Stamford Harbor and Long Island Sound
US5CT1AC
- Usage band
- Harbor · code 5
- Current edition
- 5.0
- Features
- 749
- S-57 layers
- 38
- Published
- Apr 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.02500° N
- South
- 40.95000° N
- West
- 73.57500° W
- East
- 73.50000° W
- Center
- 40.98750° N, 73.53750° W
- Bounds area
- 15 sq nm
- Feature density
- 48.9337 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 19.7
- Smallest layer
- 1
- Largest layer
- 184
- Area sq km
- 52
- Features per sq km
- 14.26678
- UWTROC Underwater rock 184
- SLCONS Shoreline construction 117
- DEPCNT Depth contour 71
- SBDARE Seabed area 71
- DEPARE Depth area 62
- COALNE Coastline 50
- M_QUAL Data quality 32
- WRECKS Wreck 26
- SOUNDG Sounding 20
- OBSTRN Obstruction 13
- LNDARE Land area 12
- LNDRGN Land region 11
- PONTON 11
- BOYLAT Lateral buoy 8
- SEAARE Sea area 8
- LIGHTS Light 7
- DRGARE 6
- PILPNT 5
- MAGVAR Magnetic variation 4
- RESARE 4
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/US5CT1AC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5CT1AC/5.0/US5CT1AC.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5CT1AC/5.0/US5CT1AC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5CT1AC/5.0/US5CT1AC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5CT1AC/5.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.0 | Apr 6, 2026 | metadata.json |