NOAA S-57 chart cell
Pamunkey River
US4VA1DB
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 314
- S-57 layers
- 19
- Published
- Nov 25, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 37.80000° N
- South
- 37.50000° N
- West
- 77.40000° W
- East
- 77.10000° W
- Center
- 37.65000° N, 77.25000° W
- Bounds area
- 257 sq nm
- Feature density
- 1.2224 / sq nm
Chart Statistics
19 largest layers shown
- Average features per layer
- 16.5
- Smallest layer
- 1
- Largest layer
- 88
- Area sq km
- 881
- Features per sq km
- 0.35639
- RIVERS River 88
- COALNE Coastline 63
- LNDRGN Land region 32
- DEPARE Depth area 31
- DEPCNT Depth contour 28
- SEAARE Sea area 13
- SLCONS Shoreline construction 13
- OBSTRN Obstruction 12
- BUAARE 9
- BRIDGE 8
- LNDARE Land area 4
- M_QUAL Data quality 3
- LAKARE 2
- MAGVAR Magnetic variation 2
- SOUNDG Sounding 2
- HRBFAC 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US4VA1DB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4VA1DB/1.0/US4VA1DB.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4VA1DB/1.0/US4VA1DB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4VA1DB/1.0/US4VA1DB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4VA1DB/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Nov 25, 2024 | metadata.json |