NOAA S-57 chart cell

Gulf of America to Mississippi Sound

US5GPTBD

Usage band
Harbor · code 5
Current edition
3.0
Features
89
S-57 layers
22
Published
Apr 25, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.22500° N
South
30.15000° N
West
88.95000° W
East
88.87500° W
Center
30.18750° N, 88.91250° W
Bounds area
18 sq nm
Feature density
5.0778 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
4
Smallest layer
1
Largest layer
18
Area sq km
60
Features per sq km
1.48044
  1. DEPARE Depth area 18
  2. DEPCNT Depth contour 17
  3. M_QUAL Data quality 10
  4. SEAARE Sea area 7
  5. SOUNDG Sounding 7
  6. SBDARE Seabed area 5
  7. UNSARE 4
  8. WRECKS Wreck 4
  9. OBSTRN Obstruction 3
  10. COALNE Coastline 2
  11. ADMARE 1
  12. CTNARE Caution area 1
  13. DMPGRD 1
  14. FAIRWY Fairway 1
  15. LNDARE Land area 1
  16. M_COVR Coverage 1
  17. M_NPUB 1
  18. M_NSYS 1
  19. MAGVAR Magnetic variation 1
  20. PILPNT 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
3.0 Apr 25, 2025 metadata.json