NOAA S-57 chart cell

Gulf Intracoastal Waterway - Bayou Chene and Bayou Boeuf

US4LA1FJ

Usage band
Approach · code 4
Current edition
1.4
Features
1,360
S-57 layers
48
Published
Apr 8, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
29.70000° N
South
29.40000° N
West
91.20000° W
East
90.90000° W
Center
29.55000° N, 91.05000° W
Bounds area
282 sq nm
Feature density
4.8187 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
28.3
Smallest layer
1
Largest layer
259
Area sq km
968
Features per sq km
1.40489
  1. COALNE Coastline 259
  2. SLCONS Shoreline construction 199
  3. BUISGL 163
  4. DEPARE Depth area 137
  5. LNDRGN Land region 115
  6. RIVERS River 42
  7. M_QUAL Data quality 34
  8. VEGATN 29
  9. SEAARE Sea area 28
  10. OBSTRN Obstruction 27
  11. LNDARE Land area 25
  12. CANALS 23
  13. LIGHTS Light 23
  14. DEPCNT Depth contour 21
  15. BCNLAT Lateral beacon 19
  16. BRIDGE 18
  17. CBLOHD 15
  18. PIPARE 15
  19. BUAARE 14
  20. DAYMAR 14

Nearby Chart Cells

Approach usage band

  1. Atchafalaya Bay to Lower Atchafalaya River US4LA1FI - about 16 nm away
  2. Gulf Intracoastal Waterway and Houma Navigation Channel US4LA1FK - about 16 nm away
  3. Gulf of America to Fourleague Bay, Caillou Bay, Caillou Lake, and Lake Merchant US4LA1EJ - about 18 nm away
  4. Lake Palourde and Lake Verret US4LA1GJ - about 18 nm away
  5. Grand Lake US4LA1GI - about 24 nm away
  6. Bayou Lafourche US4LA1GK - 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
1.4 Apr 8, 2026 metadata.json