NOAA S-57 chart cell

Gulf of America to Old River and Bayou Saint John

US5FL1GA

Usage band
Harbor · code 5
Current edition
2.1
Features
447
S-57 layers
31
Published
May 19, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
30.30000° N
South
30.22500° N
West
87.52500° W
East
87.45000° W
Center
30.26250° N, 87.48750° W
Bounds area
18 sq nm
Feature density
25.5223 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
14.4
Smallest layer
1
Largest layer
242
Area sq km
60
Features per sq km
7.44112
  1. SLCONS Shoreline construction 242
  2. DEPARE Depth area 39
  3. DEPCNT Depth contour 32
  4. COALNE Coastline 20
  5. SLOGRD 18
  6. BCNLAT Lateral beacon 14
  7. DAYMAR 12
  8. SBDARE Seabed area 8
  9. BUISGL 7
  10. LNDRGN Land region 6
  11. M_QUAL Data quality 6
  12. LIGHTS Light 5
  13. LNDARE Land area 5
  14. RIVERS River 4
  15. SEAARE Sea area 4
  16. BCNSPP Special purpose beacon 3
  17. OBSTRN Obstruction 3
  18. PONTON 3
  19. ADMARE 2
  20. CBLARE 2

Nearby Chart Cells

Harbor 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
2.1 May 19, 2026 metadata.json