NOAA S-57 chart cell

Federated States of Micronesia - Piherarh

US456605

Usage band
Approach · code 4
Current edition
1.1
Features
281
S-57 layers
19
Published
Dec 16, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
8.64644° N
South
8.54089° N
West
150.28105° E
East
150.44648° E
Center
8.59366° N, 150.36376° E
Bounds area
62 sq nm
Feature density
4.5149 / sq nm

Chart Statistics

19 largest layers shown

Average features per layer
14.8
Smallest layer
1
Largest layer
80
Area sq km
213
Features per sq km
1.31632
  1. SBDARE Seabed area 80
  2. DEPCNT Depth contour 66
  3. DEPARE Depth area 60
  4. UWTROC Underwater rock 43
  5. LNDARE Land area 6
  6. SOUNDG Sounding 4
  7. ADMARE 3
  8. COALNE Coastline 3
  9. M_QUAL Data quality 3
  10. SEAARE Sea area 2
  11. SWPARE 2
  12. VEGATN 2
  13. BUAARE 1
  14. CTRPNT 1
  15. M_COVR Coverage 1
  16. M_NPUB 1
  17. M_NSYS 1
  18. MAGVAR Magnetic variation 1
  19. OBSTRN Obstruction 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
1.1 Dec 16, 2025 metadata.json