NOAA S-57 chart cell
Islands of the Pacific Ocean - Southwest of Cocos Lagoon, Guam
US4GU1GD
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 38
- S-57 layers
- 16
- Published
- Aug 20, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 13.20000° N
- South
- 12.90000° N
- West
- 144.30000° E
- East
- 144.60000° E
- Center
- 13.05000° N, 144.45000° E
- Bounds area
- 316 sq nm
- Feature density
- 0.1202 / sq nm
Chart Statistics
16 largest layers shown
- Average features per layer
- 2.4
- Smallest layer
- 1
- Largest layer
- 8
- Area sq km
- 1,084
- Features per sq km
- 0.03505
- DEPARE Depth area 8
- DEPCNT Depth contour 6
- M_QUAL Data quality 6
- SOUNDG Sounding 4
- M_NPUB 2
- SEAARE Sea area 2
- ADMARE 1
- CBLSUB 1
- CONZNE 1
- DMPGRD 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- MIPARE 1
- TESARE 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.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US4GU1GD.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4GU1GD/1.0/US4GU1GD.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4GU1GD/1.0/US4GU1GD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4GU1GD/1.0/US4GU1GD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4GU1GD/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 20, 2025 | metadata.json |