NOAA S-57 chart cell
North Atlantic Ocean - Approaches to Delaware Bay
US4DE1AE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 153
- S-57 layers
- 22
- Published
- Jun 26, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 38.70000° N
- South
- 38.40000° N
- West
- 74.70000° W
- East
- 74.40000° W
- Center
- 38.55000° N, 74.55000° W
- Bounds area
- 254 sq nm
- Feature density
- 0.603 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7
- Smallest layer
- 1
- Largest layer
- 39
- Area sq km
- 870
- Features per sq km
- 0.17581
- DEPARE Depth area 39
- DEPCNT Depth contour 37
- SBDARE Seabed area 20
- WRECKS Wreck 15
- SOUNDG Sounding 7
- M_QUAL Data quality 6
- OBSTRN Obstruction 6
- MAGVAR Magnetic variation 4
- M_NPUB 3
- BOYSPP Special purpose buoy 2
- LIGHTS Light 2
- SEAARE Sea area 2
- C_AGGR 1
- CONZNE 1
- DMPGRD 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- RESARE 1
- TSEZNE 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/US4DE1AE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4DE1AE/1.0/US4DE1AE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4DE1AE/1.0/US4DE1AE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4DE1AE/1.0/US4DE1AE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4DE1AE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 26, 2025 | metadata.json |