NOAA S-57 chart cell
Connecticut
US4CT1AF
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,350
- S-57 layers
- 47
- Published
- Oct 24, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.40000° N
- South
- 41.10000° N
- West
- 72.00000° W
- East
- 71.70000° W
- Center
- 41.25000° N, 71.85000° W
- Bounds area
- 244 sq nm
- Feature density
- 5.5345 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 28.7
- Smallest layer
- 1
- Largest layer
- 272
- Area sq km
- 837
- Features per sq km
- 1.6136
- COALNE Coastline 272
- SLCONS Shoreline construction 192
- DEPARE Depth area 151
- DEPCNT Depth contour 148
- SBDARE Seabed area 87
- LNDRGN Land region 83
- LNDARE Land area 67
- UWTROC Underwater rock 57
- RIVERS River 45
- BRIDGE 25
- SEAARE Sea area 23
- SOUNDG Sounding 19
- WRECKS Wreck 17
- LAKARE 15
- OBSTRN Obstruction 15
- LIGHTS Light 14
- BOYLAT Lateral buoy 12
- M_QUAL Data quality 11
- FOGSIG 10
- SNDWAV 9
Nearby Chart Cells
Approach 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/US4CT1AF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CT1AF/1.0/US4CT1AF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CT1AF/1.0/US4CT1AF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CT1AF/1.0/US4CT1AF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CT1AF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 24, 2024 | metadata.json |