NOAA S-57 chart cell

North Pacific Ocean - Northeast of Maro Reef, HI

US4HI3IQ

Usage band
Approach · code 4
Current edition
1.0
Features
26
S-57 layers
12
Published
Aug 15, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
25.80000° N
South
25.50000° N
West
170.40000° W
East
170.10000° W
Center
25.65000° N, 170.25000° W
Bounds area
292 sq nm
Feature density
0.0889 / sq nm

Chart Statistics

12 largest layers shown

Average features per layer
2.2
Smallest layer
1
Largest layer
5
Area sq km
1,003
Features per sq km
0.02592
  1. DEPARE Depth area 5
  2. DEPCNT Depth contour 5
  3. RESARE 3
  4. M_NPUB 2
  5. M_QUAL Data quality 2
  6. MAGVAR Magnetic variation 2
  7. SOUNDG Sounding 2
  8. CONZNE 1
  9. EXEZNE 1
  10. M_COVR Coverage 1
  11. M_NSYS 1
  12. SEAARE Sea area 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 15, 2025 metadata.json