NOAA S-57 chart cell
North Pacific Ocean - Approaches to Port San Luis and Estero Bay, CA
US4CA1KK
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 193
- S-57 layers
- 24
- Published
- May 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 35.40000° N
- South
- 35.10000° N
- West
- 121.20000° W
- East
- 120.90000° W
- Center
- 35.25000° N, 121.05000° W
- Bounds area
- 265 sq nm
- Feature density
- 0.7284 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8
- Smallest layer
- 1
- Largest layer
- 51
- Area sq km
- 909
- Features per sq km
- 0.21238
- SBDARE Seabed area 51
- DEPARE Depth area 29
- DEPCNT Depth contour 29
- UWTROC Underwater rock 19
- CBLSUB 18
- WEDKLP 16
- M_QUAL Data quality 6
- SOUNDG Sounding 6
- M_NPUB 2
- MAGVAR Magnetic variation 2
- SEAARE Sea area 2
- ADMARE 1
- BOYLAT Lateral buoy 1
- COALNE Coastline 1
- CONZNE 1
- COSARE 1
- EXEZNE 1
- FOGSIG 1
- LIGHTS Light 1
- LNDARE Land 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/US4CA1KK.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA1KK/1.0/US4CA1KK.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA1KK/1.0/US4CA1KK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA1KK/1.0/US4CA1KK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA1KK/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 20, 2026 | metadata.json |