NOAA S-57 chart cell

Islands of the Pacific Ocean - West of Apra Harbor, Guam

US5GU1EB

Usage band
Harbor · code 5
Current edition
1.0
Features
38
S-57 layers
14
Published
Jan 23, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
13.50000° N
South
13.42500° N
West
144.52500° E
East
144.60000° E
Center
13.46250° N, 144.56250° E
Bounds area
20 sq nm
Feature density
1.927 / sq nm

Chart Statistics

14 largest layers shown

Average features per layer
2.7
Smallest layer
1
Largest layer
8
Area sq km
68
Features per sq km
0.56181
  1. DEPARE Depth area 8
  2. CBLSUB 6
  3. DEPCNT Depth contour 6
  4. SOUNDG Sounding 5
  5. M_QUAL Data quality 3
  6. M_NPUB 2
  7. ADMARE 1
  8. M_COVR Coverage 1
  9. M_NSYS 1
  10. MAGVAR Magnetic variation 1
  11. MIPARE 1
  12. PILBOP 1
  13. RESARE 1
  14. SEAARE Sea area 1

Nearby Chart Cells

Harbor 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 Jan 23, 2026 metadata.json