NOAA S-57 chart cell

North Atlantic Ocean - Approaches to Delaware Bay

US4NJ1AD

Usage band
Approach · code 4
Current edition
1.0
Features
235
S-57 layers
27
Published
Jun 26, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
39.00000° N
South
38.70000° N
West
74.70000° W
East
74.40000° W
Center
38.85000° N, 74.55000° W
Bounds area
253 sq nm
Feature density
0.9301 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
8.7
Smallest layer
1
Largest layer
58
Area sq km
867
Features per sq km
0.27117
  1. DEPARE Depth area 58
  2. DEPCNT Depth contour 55
  3. SBDARE Seabed area 55
  4. M_QUAL Data quality 15
  5. WRECKS Wreck 10
  6. OBSTRN Obstruction 6
  7. SEAARE Sea area 4
  8. SOUNDG Sounding 4
  9. LIGHTS Light 3
  10. MAGVAR Magnetic variation 3
  11. BOYLAT Lateral buoy 2
  12. C_AGGR 2
  13. M_NPUB 2
  14. TSSBND 2
  15. TSSLPT 2
  16. BOYSPP Special purpose buoy 1
  17. C_ASSO 1
  18. CBLARE 1
  19. CONZNE 1
  20. CTNARE Caution area 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.

Editions

Edition Published Metadata
1.0 Jun 26, 2025 metadata.json