NOAA S-57 chart cell
North Atlantic Ocean - Onslow Bay
US4NC1BE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 62
- S-57 layers
- 17
- Published
- Apr 7, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 34.20000° N
- South
- 33.90000° N
- West
- 77.70000° W
- East
- 77.40000° W
- Center
- 34.05000° N, 77.55000° W
- Bounds area
- 269 sq nm
- Feature density
- 0.2306 / sq nm
Chart Statistics
17 largest layers shown
- Average features per layer
- 3.6
- Smallest layer
- 1
- Largest layer
- 19
- Area sq km
- 922
- Features per sq km
- 0.06725
- SBDARE Seabed area 19
- OBSTRN Obstruction 9
- DEPARE Depth area 7
- DEPCNT Depth contour 6
- M_QUAL Data quality 4
- SOUNDG Sounding 4
- MAGVAR Magnetic variation 2
- SEAARE Sea area 2
- CONZNE 1
- COSARE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- RESARE 1
- TESARE 1
- WRECKS Wreck 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/US4NC1BE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4NC1BE/1.0/US4NC1BE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NC1BE/1.0/US4NC1BE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NC1BE/1.0/US4NC1BE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NC1BE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 7, 2026 | metadata.json |