NOAA S-57 chart cell
California
US4CA2FG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 194
- S-57 layers
- 25
- Published
- May 29, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 39.00000° N
- South
- 38.70000° N
- West
- 123.60000° W
- East
- 123.30000° W
- Center
- 38.85000° N, 123.45000° W
- Bounds area
- 253 sq nm
- Feature density
- 0.7678 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7.8
- Smallest layer
- 1
- Largest layer
- 62
- Area sq km
- 867
- Features per sq km
- 0.22386
- LNDARE Land area 62
- RIVERS River 25
- UWTROC Underwater rock 24
- SLOGRD 14
- DEPARE Depth area 10
- DEPCNT Depth contour 9
- COALNE Coastline 7
- SBDARE Seabed area 7
- SEAARE Sea area 7
- LNDRGN Land region 4
- M_QUAL Data quality 4
- OBSTRN Obstruction 3
- BUAARE 2
- LNDELV 2
- MAGVAR Magnetic variation 2
- RESARE 2
- SOUNDG Sounding 2
- ADMARE 1
- C_ASSO 1
- LNDMRK 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/US4CA2FG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA2FG/1.0/US4CA2FG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA2FG/1.0/US4CA2FG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA2FG/1.0/US4CA2FG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA2FG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 29, 2026 | metadata.json |