NOAA S-57 chart cell

Intracoastal Waterway Albermarle Sound to Neuse River;Alligator River and Second Creek Extensions

US4NC55M

Usage band
Approach · code 4
Current edition
6.3
Features
108
S-57 layers
29
Published
Feb 14, 2018
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
35.92485° N
South
35.66822° N
West
76.18247° W
East
75.98097° W
Center
35.79653° N, 76.08172° W
Bounds area
151 sq nm
Feature density
0.7143 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
3.7
Smallest layer
1
Largest layer
10
Area sq km
519
Features per sq km
0.20825
  1. SBDARE Seabed area 10
  2. COALNE Coastline 9
  3. DEPARE Depth area 9
  4. LNDRGN Land region 8
  5. OBSTRN Obstruction 8
  6. RIVERS River 8
  7. DEPCNT Depth contour 5
  8. LNDARE Land area 5
  9. M_QUAL Data quality 5
  10. CTNARE Caution area 4
  11. BCNLAT Lateral beacon 3
  12. DAYMAR 3
  13. LIGHTS Light 3
  14. M_COVR Coverage 3
  15. PILPNT 3
  16. RETRFL 3
  17. SEAARE Sea area 3
  18. M_NPUB 2
  19. M_NSYS 2
  20. MAGVAR Magnetic variation 2

Nearby Chart Cells

Approach usage band

  1. Cape Henry to Pamlico Sound, Including Albemarle Sd.; Rudee Heights US4NC53M - about 14 nm away
  2. Currituck Beach Light to Wimble Shoals US4NC31M - about 24 nm away
  3. Pamlico Sound Western Part US4NC20M - about 32 nm away
  4. Cape Hatteras-Wimble Shoals to Ocracoke Inlet US4NC30M - about 37 nm away
  5. North Atlantic Ocean US4NC1GM - about 48 nm away
  6. Dam Neck to Currituck Beach Light US4NC32M - about 48 nm away

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
6.3 Feb 14, 2018 metadata.json