NOAA S-57 chart cell

Gulf of America

US3LA1BB

Usage band
Coastal · code 3
Current edition
2.3
Features
2,204
S-57 layers
27
Published
Jun 8, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
28.80000° N
South
27.60000° N
West
92.40000° W
East
91.20000° W
Center
28.20000° N, 91.80000° W
Bounds area
4,575 sq nm
Feature density
0.4818 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
81.6
Smallest layer
1
Largest layer
1,519
Area sq km
15,691
Features per sq km
0.14046
  1. PIPSOL 1,519
  2. OFSPLF 268
  3. OBSTRN Obstruction 173
  4. DEPARE Depth area 52
  5. DEPCNT Depth contour 51
  6. WRECKS Wreck 37
  7. SBDARE Seabed area 24
  8. BOYSPP Special purpose buoy 19
  9. M_QUAL Data quality 14
  10. LIGHTS Light 12
  11. RESARE 7
  12. MORFAC 6
  13. SOUNDG Sounding 6
  14. CBLSUB 2
  15. MAGVAR Magnetic variation 2
  16. BOYLAT Lateral buoy 1
  17. CONZNE 1
  18. COSARE 1
  19. CTSARE 1
  20. EXEZNE 1

Nearby Chart Cells

Coastal usage band

  1. Gulf of America US3LA1BA - about 63 nm away
  2. Mississippi Canyon and Gulf of America US3LA1BC - about 63 nm away
  3. Gulf Intracoastal Waterway - Morgan City to Vermilion Bay and Gulf of America US3LA1CB - about 72 nm away
  4. Gulf of America US3LA1AB - about 72 nm away
  5. Gulf Intracoastal Waterway - White Lake to Calcasieu Lake and Gulf of America US3LA1CA - about 96 nm away
  6. Gulf Intracoastal Waterway - New Orleans to Morgan Ciy and Gulf of America US3LA1CC - about 96 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
2.3 Jun 8, 2026 metadata.json