NOAA S-57 chart cell
Delaware Bay - Maurice River
US4NJ1BB
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 946
- S-57 layers
- 39
- Published
- Mar 10, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 39.30000° N
- South
- 39.00000° N
- West
- 75.30000° W
- East
- 75.00000° W
- Center
- 39.15000° N, 75.15000° W
- Bounds area
- 252 sq nm
- Feature density
- 3.7599 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 24.3
- Smallest layer
- 1
- Largest layer
- 164
- Area sq km
- 863
- Features per sq km
- 1.09622
- DEPCNT Depth contour 164
- DEPARE Depth area 160
- LNDRGN Land region 108
- SBDARE Seabed area 68
- RIVERS River 63
- COALNE Coastline 37
- PILPNT 34
- LAKARE 32
- OBSTRN Obstruction 31
- SLCONS Shoreline construction 31
- BOYLAT Lateral buoy 30
- WRECKS Wreck 26
- LIGHTS Light 24
- SEAARE Sea area 22
- LNDARE Land area 21
- M_QUAL Data quality 19
- SOUNDG Sounding 15
- CTNARE Caution area 8
- LNDMRK 7
- BCNSPP Special purpose beacon 5
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/US4NJ1BB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4NJ1BB/1.0/US4NJ1BB.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NJ1BB/1.0/US4NJ1BB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NJ1BB/1.0/US4NJ1BB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NJ1BB/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 10, 2026 | metadata.json |