NOAA S-57 chart cell

Gulf of America to White Lake

US4LA1FE

Usage band
Approach · code 4
Current edition
1.3
Features
370
S-57 layers
27
Published
Sep 22, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
29.70000° N
South
29.40000° N
West
92.70000° W
East
92.40000° W
Center
29.55000° N, 92.55000° W
Bounds area
282 sq nm
Feature density
1.311 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
13.7
Smallest layer
1
Largest layer
159
Area sq km
968
Features per sq km
0.38221
  1. PIPSOL 159
  2. SBDARE Seabed area 36
  3. COALNE Coastline 22
  4. M_QUAL Data quality 19
  5. LNDRGN Land region 17
  6. DEPARE Depth area 16
  7. DEPCNT Depth contour 14
  8. OBSTRN Obstruction 13
  9. OFSPLF 13
  10. SOUNDG Sounding 12
  11. CTNARE Caution area 8
  12. RIVERS River 7
  13. LNDARE Land area 6
  14. CANALS 5
  15. SEAARE Sea area 5
  16. PILPNT 3
  17. WRECKS Wreck 3
  18. LNDMRK 2
  19. MAGVAR Magnetic variation 2
  20. ADMARE 1

Nearby Chart Cells

Approach usage band

  1. Gulf of America US4LA1FD - about 16 nm away
  2. Gulf of America and Freshwater Bayou Canal US4LA1FF - about 16 nm away
  3. Gulf of America US4LA1EE - about 18 nm away
  4. Gulf Intracoastal Waterway - Grand Lake and White Lake US4LA1GE - about 18 nm away
  5. Gulf Intracoastal Waterway - Grand Lake and Mermentau River US4LA1GD - about 24 nm away
  6. Gulf Intracoastal Waterway - Vermilion River to Vermilion Bay US4LA1GF - about 24 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
1.3 Sep 22, 2025 metadata.json