NOAA S-57 chart cell
California
US4CA2GG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 8
- S-57 layers
- 7
- Published
- May 29, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 39.30000° N
- South
- 39.00000° N
- West
- 123.60000° W
- East
- 123.30000° W
- Center
- 39.15000° N, 123.45000° W
- Bounds area
- 252 sq nm
- Feature density
- 0.0318 / sq nm
Chart Statistics
7 largest layers shown
- Average features per layer
- 1.1
- Smallest layer
- 1
- Largest layer
- 2
- Area sq km
- 863
- Features per sq km
- 0.00927
- MAGVAR Magnetic variation 2
- BUAARE 1
- LNDARE Land area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 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/US4CA2GG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA2GG/1.0/US4CA2GG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA2GG/1.0/US4CA2GG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA2GG/1.0/US4CA2GG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA2GG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 29, 2026 | metadata.json |