NOAA S-57 chart cell
Islands of the Pacific Ocean - North of Puntan Sabaneta Point, CNMI
US4GU1OI
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 26
- S-57 layers
- 14
- Published
- Aug 20, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 15.60000° N
- South
- 15.30000° N
- West
- 145.80000° E
- East
- 146.10000° E
- Center
- 15.45000° N, 145.95000° E
- Bounds area
- 313 sq nm
- Feature density
- 0.0831 / sq nm
Chart Statistics
14 largest layers shown
- Average features per layer
- 1.9
- Smallest layer
- 1
- Largest layer
- 5
- Area sq km
- 1,073
- Features per sq km
- 0.02424
- DEPARE Depth area 5
- DEPCNT Depth contour 4
- SOUNDG Sounding 4
- M_NPUB 2
- M_QUAL Data quality 2
- ADMARE 1
- CONZNE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SBDARE Seabed area 1
- SEAARE Sea area 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/US4GU1OI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4GU1OI/1.0/US4GU1OI.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4GU1OI/1.0/US4GU1OI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4GU1OI/1.0/US4GU1OI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4GU1OI/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 20, 2025 | metadata.json |