NOAA S-57 chart cell

Chandeleur Sound and Gulf of America

US5GPTAD

Usage band
Harbor · code 5
Current edition
1.3
Features
81
S-57 layers
23
Published
May 15, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.15000° N
South
30.07500° N
West
88.95000° W
East
88.87500° W
Center
30.11250° N, 88.91250° W
Bounds area
18 sq nm
Feature density
4.6178 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
3.5
Smallest layer
1
Largest layer
14
Area sq km
60
Features per sq km
1.34634
  1. DRGARE 14
  2. LIGHTS Light 10
  3. BOYLAT Lateral buoy 9
  4. DEPARE Depth area 6
  5. M_QUAL Data quality 6
  6. SBDARE Seabed area 6
  7. SOUNDG Sounding 6
  8. DEPCNT Depth contour 5
  9. CTNARE Caution area 2
  10. DMPGRD 2
  11. FAIRWY Fairway 2
  12. SEAARE Sea area 2
  13. ADMARE 1
  14. BOYSAW 1
  15. C_AGGR 1
  16. M_COVR Coverage 1
  17. M_NPUB 1
  18. M_NSYS 1
  19. MAGVAR Magnetic variation 1
  20. NAVLNE 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
1.3 May 15, 2026 metadata.json