NOAA S-57 chart cell

North Atlantic Ocean - Long Bay

US4SC1FR

Usage band
Approach · code 4
Current edition
1.1
Features
137
S-57 layers
27
Published
Mar 18, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
33.90000° N
South
33.60000° N
West
79.20000° W
East
78.90000° W
Center
33.75000° N, 79.05000° W
Bounds area
270 sq nm
Feature density
0.5079 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
5.1
Smallest layer
1
Largest layer
30
Area sq km
925
Features per sq km
0.14807
  1. COALNE Coastline 30
  2. LNDARE Land area 21
  3. LNDRGN Land region 20
  4. DEPARE Depth area 7
  5. SLCONS Shoreline construction 7
  6. RIVERS River 6
  7. BRIDGE 5
  8. BUAARE 5
  9. CBLOHD 5
  10. DEPCNT Depth contour 5
  11. SEAARE Sea area 4
  12. CBLSUB 2
  13. LIGHTS Light 2
  14. M_QUAL Data quality 2
  15. PILPNT 2
  16. RESARE 2
  17. SILTNK 2
  18. BCNSPP Special purpose beacon 1
  19. CTNARE Caution area 1
  20. M_COVR Coverage 1

Nearby Chart Cells

Approach usage band

  1. Little River Inlet to Winyah Bay Entrance US4SC20M - about 16 nm away
  2. North Atlantic Ocean - Long Bay and Approaches to Murrells Inlet US4SC1ER - about 18 nm away
  3. North Atlantic Ocean - Approaches to Winyah Bay US4SC1DR - about 36 nm away
  4. Approaches to Winyah Bay US4SC31M - about 37 nm away
  5. North Atlantic Ocean US4SC1DQ - about 39 nm away
  6. North Atlantic Ocean - Bulls Bay US4SC1DP - about 47 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
1.1 Mar 18, 2026 metadata.json