NOAA S-57 chart cell

Gulf of America to Caillou Bay

US4LA1DJ

Usage band
Approach · code 4
Current edition
1.2
Features
557
S-57 layers
26
Published
Mar 26, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
29.10000° N
South
28.80000° N
West
91.20000° W
East
90.90000° W
Center
28.95000° N, 91.05000° W
Bounds area
284 sq nm
Feature density
1.962 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
21.4
Smallest layer
1
Largest layer
302
Area sq km
974
Features per sq km
0.57202
  1. PIPSOL 302
  2. SBDARE Seabed area 68
  3. OFSPLF 54
  4. DEPARE Depth area 26
  5. DEPCNT Depth contour 25
  6. M_QUAL Data quality 21
  7. SLCONS Shoreline construction 15
  8. OBSTRN Obstruction 12
  9. SOUNDG Sounding 6
  10. PILPNT 4
  11. WRECKS Wreck 4
  12. SEAARE Sea area 3
  13. COALNE Coastline 2
  14. LNDRGN Land region 2
  15. MAGVAR Magnetic variation 2
  16. ADMARE 1
  17. BCNSPP Special purpose beacon 1
  18. CONZNE 1
  19. EXEZNE 1
  20. FAIRWY Fairway 1

Nearby Chart Cells

Approach 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
1.2 Mar 26, 2025 metadata.json