NOAA S-57 chart cell

Approaches to Ossabaw Sound

US5GA1IJ

Usage band
Harbor · code 5
Current edition
1.0
Features
147
S-57 layers
18
Published
Jul 8, 2024
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
31.87500° N
South
31.80000° N
West
81.00000° W
East
80.92500° W
Center
31.83750° N, 80.96250° W
Bounds area
17 sq nm
Feature density
8.5333 / sq nm

Chart Statistics

18 largest layers shown

Average features per layer
8.2
Smallest layer
1
Largest layer
44
Area sq km
59
Features per sq km
2.48792
  1. DEPARE Depth area 44
  2. DEPCNT Depth contour 41
  3. SBDARE Seabed area 20
  4. COALNE Coastline 7
  5. M_QUAL Data quality 6
  6. SEAARE Sea area 6
  7. SOUNDG Sounding 5
  8. BOYLAT Lateral buoy 3
  9. LNDARE Land area 3
  10. LNDRGN Land region 3
  11. RESARE 2
  12. ADMARE 1
  13. CTNARE Caution area 1
  14. M_COVR Coverage 1
  15. M_NPUB 1
  16. M_NSYS 1
  17. MAGVAR Magnetic variation 1
  18. WRECKS Wreck 1

Nearby Chart Cells

Harbor 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 Jul 8, 2024 metadata.json