NOAA S-57 chart cell

Brownsville Ship Channel

US5BROBB

Usage band
Harbor · code 5
Current edition
2.6
Features
227
S-57 layers
34
Published
Apr 6, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
26.02500° N
South
25.95000° N
West
97.35000° W
East
97.27500° W
Center
25.98750° N, 97.31250° W
Bounds area
18 sq nm
Feature density
12.454 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
6.7
Smallest layer
1
Largest layer
26
Area sq km
63
Features per sq km
3.631
  1. SLCONS Shoreline construction 26
  2. DYKCON 23
  3. PILPNT 21
  4. COALNE Coastline 17
  5. DRGARE 14
  6. LIGHTS Light 14
  7. DAYMAR 12
  8. LNDRGN Land region 11
  9. RETRFL 9
  10. LAKARE 8
  11. RIVERS River 8
  12. BCNLAT Lateral beacon 7
  13. DEPARE Depth area 7
  14. M_QUAL Data quality 7
  15. BCNSPP Special purpose beacon 6
  16. OBSTRN Obstruction 5
  17. C_AGGR 4
  18. NAVLNE 4
  19. RECTRC 4
  20. BUISGL 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
2.6 Apr 6, 2026 metadata.json