NOAA S-57 chart cell

Gulf of America

US4FL1VM

Usage band
Approach · code 4
Current edition
4.0
Features
74
S-57 layers
18
Published
Feb 11, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
29.70000° N
South
29.40000° N
West
84.00000° W
East
83.70000° W
Center
29.55000° N, 83.85000° W
Bounds area
282 sq nm
Feature density
0.2622 / sq nm

Chart Statistics

18 largest layers shown

Average features per layer
4.1
Smallest layer
1
Largest layer
25
Area sq km
968
Features per sq km
0.07644
  1. SBDARE Seabed area 25
  2. DEPCNT Depth contour 14
  3. DEPARE Depth area 12
  4. SOUNDG Sounding 4
  5. M_NPUB 2
  6. M_QUAL Data quality 2
  7. MAGVAR Magnetic variation 2
  8. OBSTRN Obstruction 2
  9. WEDKLP 2
  10. ADMARE 1
  11. CONZNE 1
  12. COSARE 1
  13. EXEZNE 1
  14. M_COVR Coverage 1
  15. M_NSYS 1
  16. MIPARE 1
  17. SEAARE Sea area 1
  18. TESARE 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
4.0 Feb 11, 2026 metadata.json