NOAA S-57 chart cell
California
US4CA2EH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 264
- S-57 layers
- 26
- Published
- May 29, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 38.70000° N
- South
- 38.40000° N
- West
- 123.30000° W
- East
- 123.00000° W
- Center
- 38.55000° N, 123.15000° W
- Bounds area
- 254 sq nm
- Feature density
- 1.0405 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10.2
- Smallest layer
- 1
- Largest layer
- 82
- Area sq km
- 870
- Features per sq km
- 0.30335
- LNDARE Land area 82
- UWTROC Underwater rock 58
- RIVERS River 34
- SLOGRD 20
- SBDARE Seabed area 10
- DEPARE Depth area 8
- SEAARE Sea area 8
- DEPCNT Depth contour 7
- M_QUAL Data quality 6
- OBSTRN Obstruction 6
- COALNE Coastline 4
- BOYSPP Special purpose buoy 2
- BUAARE 2
- LIGHTS Light 2
- LNDRGN Land region 2
- MAGVAR Magnetic variation 2
- SOUNDG Sounding 2
- ADMARE 1
- C_ASSO 1
- CTNARE Caution area 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/US4CA2EH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA2EH/1.0/US4CA2EH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA2EH/1.0/US4CA2EH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA2EH/1.0/US4CA2EH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA2EH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 29, 2026 | metadata.json |