NOAA S-57 chart cell
Islands of the Pacific Ocean - Hagatna Bay to Cocos Lagoon, Guam
US4GU1HE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 989
- S-57 layers
- 48
- Published
- Aug 20, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 13.50000° N
- South
- 13.20000° N
- West
- 144.60000° E
- East
- 144.90000° E
- Center
- 13.35000° N, 144.75000° E
- Bounds area
- 316 sq nm
- Feature density
- 3.133 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 20.6
- Smallest layer
- 1
- Largest layer
- 235
- Area sq km
- 1,083
- Features per sq km
- 0.91344
- BUISGL 235
- COALNE Coastline 133
- DEPARE Depth area 98
- DEPCNT Depth contour 93
- SLCONS Shoreline construction 63
- SBDARE Seabed area 46
- LNDRGN Land region 41
- LNDARE Land area 31
- SLOTOP 25
- LIGHTS Light 22
- RIVERS River 20
- SEAARE Sea area 19
- BUAARE 17
- UWTROC Underwater rock 17
- LNDMRK 13
- OBSTRN Obstruction 12
- CBLSUB 10
- BCNSPP Special purpose beacon 9
- M_QUAL Data quality 9
- DAYMAR 8
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/US4GU1HE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4GU1HE/1.0/US4GU1HE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4GU1HE/1.0/US4GU1HE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4GU1HE/1.0/US4GU1HE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4GU1HE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 20, 2025 | metadata.json |