NOAA S-57 chart cell

Cape San Blas to Indian Pass

US4FL1VH

Usage band
Approach · code 4
Current edition
7.0
Features
863
S-57 layers
40
Published
Feb 12, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
29.70000° N
South
29.40000° N
West
85.50000° W
East
85.20000° W
Center
29.55000° N, 85.35000° W
Bounds area
282 sq nm
Feature density
3.0577 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
21.6
Smallest layer
1
Largest layer
233
Area sq km
968
Features per sq km
0.89149
  1. DEPCNT Depth contour 233
  2. DEPARE Depth area 231
  3. COALNE Coastline 58
  4. SBDARE Seabed area 55
  5. UWTROC Underwater rock 43
  6. LNDARE Land area 40
  7. LNDRGN Land region 28
  8. SLCONS Shoreline construction 20
  9. SOUNDG Sounding 20
  10. MARCUL 18
  11. M_QUAL Data quality 16
  12. BCNSPP Special purpose beacon 14
  13. LIGHTS Light 14
  14. SEAARE Sea area 12
  15. RIVERS River 10
  16. DAYMAR 6
  17. OBSTRN Obstruction 5
  18. WRECKS Wreck 5
  19. SLOGRD 4
  20. PILPNT 3

Nearby Chart Cells

Approach 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
7.0 Feb 12, 2026 metadata.json