NOAA S-57 chart cell
Delaware Bay
US4DE12M
- Usage band
- Approach · code 4
- Current edition
- 30.0
- Features
- 1,791
- S-57 layers
- 47
- Published
- Mar 10, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 39.44168° N
- South
- 38.75470° N
- West
- 75.54998° W
- East
- 74.82197° W
- Center
- 39.09819° N, 75.18597° W
- Bounds area
- 1,399 sq nm
- Feature density
- 1.2801 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 38.1
- Smallest layer
- 1
- Largest layer
- 288
- Area sq km
- 4,799
- Features per sq km
- 0.3732
- LNDRGN Land region 288
- COALNE Coastline 277
- RIVERS River 246
- DEPCNT Depth contour 151
- LAKARE 143
- LNDARE Land area 140
- DEPARE Depth area 134
- SBDARE Seabed area 78
- OBSTRN Obstruction 36
- SLCONS Shoreline construction 33
- LIGHTS Light 27
- M_QUAL Data quality 23
- SEAARE Sea area 23
- WRECKS Wreck 21
- BOYLAT Lateral buoy 20
- BUAARE 18
- DAYMAR 17
- BRIDGE 14
- SOUNDG Sounding 14
- BCNLAT Lateral beacon 13
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/US4DE12M.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4DE12M/30.0/US4DE12M.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4DE12M/30.0/US4DE12M.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4DE12M/30.0/US4DE12M.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4DE12M/30.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 30.0 | Mar 10, 2026 | metadata.json |