NOAA S-57 chart cell
Santa Barbara Channel - Mandalay Beach to Laguna Point, CA
US4CA1GQ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 906
- S-57 layers
- 59
- Published
- May 14, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 34.20000° N
- South
- 33.90000° N
- West
- 119.40000° W
- East
- 119.10000° W
- Center
- 34.05000° N, 119.25000° W
- Bounds area
- 269 sq nm
- Feature density
- 3.3704 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 15.4
- Smallest layer
- 1
- Largest layer
- 175
- Area sq km
- 922
- Features per sq km
- 0.98265
- SLCONS Shoreline construction 175
- DEPCNT Depth contour 96
- SBDARE Seabed area 84
- DEPARE Depth area 71
- COALNE Coastline 56
- UWTROC Underwater rock 50
- LNDARE Land area 44
- BUISGL 37
- SOUNDG Sounding 33
- PONTON 26
- M_QUAL Data quality 23
- OBSTRN Obstruction 20
- LIGHTS Light 15
- LNDELV 14
- LNDMRK 11
- LNDRGN Land region 11
- DAYMAR 8
- CTNARE Caution area 7
- RESARE 7
- SEAARE Sea area 7
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/US4CA1GQ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA1GQ/1.0/US4CA1GQ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA1GQ/1.0/US4CA1GQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA1GQ/1.0/US4CA1GQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA1GQ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 14, 2026 | metadata.json |