NOAA S-57 chart cell
Santa Barbara Channel - Naples to Santa Barbara Point, CA
US4CA1HO
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 278
- S-57 layers
- 43
- Published
- May 14, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 34.50000° N
- South
- 34.20000° N
- West
- 120.00000° W
- East
- 119.70000° W
- Center
- 34.35000° N, 119.85000° W
- Bounds area
- 268 sq nm
- Feature density
- 1.0379 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.5
- Smallest layer
- 1
- Largest layer
- 43
- Area sq km
- 919
- Features per sq km
- 0.30259
- UWTROC Underwater rock 43
- DEPCNT Depth contour 34
- SLCONS Shoreline construction 33
- DEPARE Depth area 22
- SBDARE Seabed area 22
- BUAARE 13
- OBSTRN Obstruction 11
- RIVERS River 9
- SOUNDG Sounding 9
- LIGHTS Light 8
- M_QUAL Data quality 7
- PIPSOL 7
- WEDKLP 7
- BOYSPP Special purpose buoy 6
- LNDELV 6
- LNDMRK 4
- BUISGL 3
- LNDRGN Land region 3
- SEAARE Sea area 3
- MAGVAR Magnetic variation 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/US4CA1HO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA1HO/1.0/US4CA1HO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA1HO/1.0/US4CA1HO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA1HO/1.0/US4CA1HO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA1HO/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 14, 2026 | metadata.json |