NOAA S-57 chart cell
Chesapeake Bay - Cape Charles to Silver Beach
US4VA1CF
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 1,544
- S-57 layers
- 50
- Published
- Jul 14, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 37.50000° N
- South
- 37.20000° N
- West
- 76.20000° W
- East
- 75.90000° W
- Center
- 37.35000° N, 76.05000° W
- Bounds area
- 258 sq nm
- Feature density
- 5.9866 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 30.9
- Smallest layer
- 1
- Largest layer
- 240
- Area sq km
- 885
- Features per sq km
- 1.74541
- DEPCNT Depth contour 240
- DEPARE Depth area 212
- COALNE Coastline 184
- SLCONS Shoreline construction 104
- LNDRGN Land region 101
- RIVERS River 98
- LNDARE Land area 70
- SBDARE Seabed area 62
- OBSTRN Obstruction 55
- PILPNT 53
- LIGHTS Light 47
- SEAARE Sea area 33
- M_QUAL Data quality 30
- DAYMAR 27
- CBLOHD 26
- BOYLAT Lateral buoy 23
- SOUNDG Sounding 21
- LAKARE 18
- BCNSPP Special purpose beacon 17
- BCNLAT Lateral beacon 15
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/US4VA1CF.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4VA1CF/1.2/US4VA1CF.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4VA1CF/1.2/US4VA1CF.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4VA1CF/1.2/US4VA1CF.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4VA1CF/1.2/US4VA1CF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4VA1CF/1.2/US4VA1CF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4VA1CF/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Jul 14, 2025 | metadata.json |