NOAA S-57 chart cell

Main Hawaiian Islands - Island of Niihau - Northeast and Lehua Island, HI

US4HI1PD

Usage band
Approach · code 4
Current edition
1.0
Features
164
S-57 layers
24
Published
Aug 12, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
22.20000° N
South
21.90000° N
West
160.20000° W
East
159.90000° W
Center
22.05000° N, 160.05000° W
Bounds area
301 sq nm
Feature density
0.5454 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
6.8
Smallest layer
1
Largest layer
46
Area sq km
1,031
Features per sq km
0.15901
  1. SBDARE Seabed area 46
  2. UWTROC Underwater rock 43
  3. DEPARE Depth area 16
  4. DEPCNT Depth contour 16
  5. LNDELV 7
  6. COALNE Coastline 5
  7. SOUNDG Sounding 5
  8. LNDARE Land area 4
  9. LNDRGN Land region 4
  10. SEAARE Sea area 3
  11. BUAARE 2
  12. ADMARE 1
  13. BCNSPP Special purpose beacon 1
  14. BUISGL 1
  15. CONZNE 1
  16. EXEZNE 1
  17. LIGHTS Light 1
  18. M_COVR Coverage 1
  19. M_NPUB 1
  20. M_NSYS 1

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
1.0 Aug 12, 2025 metadata.json