NOAA S-57 chart cell
Santa Barbara Channel - Laguna Point to Point Dume, CA
US4CA1GR
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 241
- S-57 layers
- 32
- Published
- May 14, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 34.20000° N
- South
- 33.90000° N
- West
- 119.10000° W
- East
- 118.80000° W
- Center
- 34.05000° N, 118.95000° W
- Bounds area
- 269 sq nm
- Feature density
- 0.8965 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7.5
- Smallest layer
- 1
- Largest layer
- 44
- Area sq km
- 922
- Features per sq km
- 0.26139
- DEPCNT Depth contour 44
- UWTROC Underwater rock 32
- DEPARE Depth area 27
- SLOGRD 25
- SBDARE Seabed area 21
- RIVERS River 20
- WEDKLP 11
- COALNE Coastline 7
- M_QUAL Data quality 7
- OBSTRN Obstruction 6
- SOUNDG Sounding 5
- SILTNK 4
- LNDARE Land area 3
- LNDRGN Land region 3
- BUAARE 2
- CBLSUB 2
- LNDELV 2
- M_NPUB 2
- MIPARE 2
- SEAARE Sea area 2
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/US4CA1GR.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA1GR/1.0/US4CA1GR.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA1GR/1.0/US4CA1GR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA1GR/1.0/US4CA1GR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA1GR/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 14, 2026 | metadata.json |