NOAA S-57 chart cell
North Pacific Ocean - Santa Cruz to Pigeon Point, CA
US4CA1QG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 286
- S-57 layers
- 27
- Published
- May 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 37.20000° N
- South
- 36.90000° N
- West
- 122.40000° W
- East
- 122.10000° W
- Center
- 37.05000° N, 122.25000° W
- Bounds area
- 259 sq nm
- Feature density
- 1.1045 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10.6
- Smallest layer
- 1
- Largest layer
- 110
- Area sq km
- 888
- Features per sq km
- 0.32203
- LNDARE Land area 110
- SBDARE Seabed area 32
- UWTROC Underwater rock 32
- DEPCNT Depth contour 21
- WEDKLP 20
- DEPARE Depth area 18
- RIVERS River 12
- LNDRGN Land region 8
- COALNE Coastline 7
- SLCONS Shoreline construction 4
- LIGHTS Light 3
- BUAARE 2
- LNDMRK 2
- SOUNDG Sounding 2
- ADMARE 1
- BOYLAT Lateral buoy 1
- BOYSPP Special purpose buoy 1
- FOGSIG 1
- M_COVR Coverage 1
- M_NPUB 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/US4CA1QG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA1QG/1.0/US4CA1QG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA1QG/1.0/US4CA1QG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA1QG/1.0/US4CA1QG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA1QG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 20, 2026 | metadata.json |