NOAA S-57 chart cell

Mississippi Sound and Gulfport Harbor

US5GPTDB

Usage band
Harbor · code 5
Current edition
1.5
Features
528
S-57 layers
38
Published
May 15, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.37500° N
South
30.30000° N
West
89.10000° W
East
89.02500° W
Center
30.33750° N, 89.06250° W
Bounds area
18 sq nm
Feature density
30.1702 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
13.9
Smallest layer
1
Largest layer
72
Area sq km
60
Features per sq km
8.79623
  1. SLCONS Shoreline construction 72
  2. DRGARE 48
  3. PILPNT 46
  4. OBSTRN Obstruction 45
  5. DAYMAR 36
  6. BCNLAT Lateral beacon 34
  7. DEPARE Depth area 32
  8. DEPCNT Depth contour 32
  9. M_QUAL Data quality 30
  10. LIGHTS Light 29
  11. SBDARE Seabed area 26
  12. SOUNDG Sounding 10
  13. BCNSPP Special purpose beacon 9
  14. FAIRWY Fairway 9
  15. BUISGL 8
  16. MORFAC 8
  17. PIPSOL 8
  18. WRECKS Wreck 6
  19. COALNE Coastline 5
  20. MARCUL 4

Nearby Chart Cells

Harbor usage band

  1. Mississippi Sound US5GPTDA - about 4 nm away
  2. Mississippi Sound US5GPTDC - about 4 nm away
  3. Gulf Intracoastal Waterway - Mississippi Sound, Raccoon Spit, Raccoon Swash, and West Bank US5GPTCB - about 5 nm away
  4. Mississippi Sound to Bernard Bayou and Harrison County Industrial Seaway US5GPTEB - about 5 nm away
  5. Mississippi Sound to Back Bay of Biloxi, Big Lake, and Biloxi River US5BIXEA - about 6 nm away
  6. Gulf Intracoastal Waterway - Mississippi Sound and North Bank US5GPTCA - about 6 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
1.5 May 15, 2026 metadata.json