NOAA S-57 chart cell
North Atlantic Ocean
US4VA1CI
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 160
- S-57 layers
- 14
- Published
- Aug 26, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 37.50000° N
- South
- 37.20000° N
- West
- 75.30000° W
- East
- 75.00000° W
- Center
- 37.35000° N, 75.15000° W
- Bounds area
- 258 sq nm
- Feature density
- 0.6204 / sq nm
Chart Statistics
14 largest layers shown
- Average features per layer
- 11.4
- Smallest layer
- 1
- Largest layer
- 56
- Area sq km
- 885
- Features per sq km
- 0.18087
- DEPARE Depth area 56
- DEPCNT Depth contour 54
- SBDARE Seabed area 27
- M_QUAL Data quality 7
- SOUNDG Sounding 5
- M_NPUB 2
- WRECKS Wreck 2
- CONZNE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- MIPARE 1
- SEAARE Sea area 1
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/US4VA1CI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4VA1CI/1.0/US4VA1CI.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4VA1CI/1.0/US4VA1CI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4VA1CI/1.0/US4VA1CI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4VA1CI/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 26, 2025 | metadata.json |