NOAA S-57 chart cell
North Pacific Ocean
US4CA1QF
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 114
- S-57 layers
- 24
- Published
- May 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 37.20000° N
- South
- 36.90000° N
- West
- 122.70000° W
- East
- 122.40000° W
- Center
- 37.05000° N, 122.55000° W
- Bounds area
- 259 sq nm
- Feature density
- 0.4403 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 4.8
- Smallest layer
- 1
- Largest layer
- 37
- Area sq km
- 888
- Features per sq km
- 0.12836
- SBDARE Seabed area 37
- DEPARE Depth area 24
- DEPCNT Depth contour 23
- M_QUAL Data quality 5
- SOUNDG Sounding 4
- RECTRC 2
- UWTROC Underwater rock 2
- ADMARE 1
- COALNE Coastline 1
- CONZNE 1
- COSARE 1
- EXEZNE 1
- LNDARE Land area 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- OBSTRN Obstruction 1
- RESARE 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/US4CA1QF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA1QF/1.0/US4CA1QF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA1QF/1.0/US4CA1QF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA1QF/1.0/US4CA1QF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA1QF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 20, 2026 | metadata.json |