NOAA S-57 chart cell

Gulf of America

US4LA1CQ

Usage band
Approach · code 4
Current edition
1.1
Features
82
S-57 layers
18
Published
May 30, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
28.80000° N
South
28.50000° N
West
89.10000° W
East
88.80000° W
Center
28.65000° N, 88.95000° W
Bounds area
285 sq nm
Feature density
0.288 / sq nm

Chart Statistics

18 largest layers shown

Average features per layer
4.6
Smallest layer
1
Largest layer
51
Area sq km
977
Features per sq km
0.08397
  1. PIPSOL 51
  2. DEPCNT Depth contour 7
  3. DEPARE Depth area 5
  4. DMPGRD 2
  5. MAGVAR Magnetic variation 2
  6. OFSPLF 2
  7. SOUNDG Sounding 2
  8. CONZNE 1
  9. EXEZNE 1
  10. M_COVR Coverage 1
  11. M_NPUB 1
  12. M_NSYS 1
  13. M_QUAL Data quality 1
  14. RESARE 1
  15. SBDARE Seabed area 1
  16. SEAARE Sea area 1
  17. TESARE 1
  18. WRECKS Wreck 1

Nearby Chart Cells

Approach usage band

  1. Gulf of America US4LA1CR - about 16 nm away
  2. Gulf of America and Mississippi Canyon US4LA1CP - about 16 nm away
  3. Gulf of America to Garden Island Bay US4LA1DQ - about 18 nm away
  4. Gulf of America US4LA1DR - about 24 nm away
  5. Gulf of America to East Bay to Southwest Pass and South Pass US4LA1DP - about 24 nm away
  6. Gulf of America and Mississippi Canyon US4LA1CO - about 32 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
1.1 May 30, 2025 metadata.json