NOAA S-57 chart cell
North Pacific Ocean - Offshore of Klamath River Entrance, CA
US4CA2OD
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 64
- S-57 layers
- 17
- Published
- Apr 22, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.70000° N
- South
- 41.40000° N
- West
- 124.50000° W
- East
- 124.20000° W
- Center
- 41.55000° N, 124.35000° W
- Bounds area
- 243 sq nm
- Feature density
- 0.2636 / sq nm
Chart Statistics
17 largest layers shown
- Average features per layer
- 3.8
- Smallest layer
- 1
- Largest layer
- 23
- Area sq km
- 833
- Features per sq km
- 0.07685
- SBDARE Seabed area 23
- DEPARE Depth area 8
- DEPCNT Depth contour 7
- M_QUAL Data quality 6
- SOUNDG Sounding 6
- M_NPUB 2
- SEAARE Sea area 2
- ADMARE 1
- CONZNE 1
- COSARE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- TESARE 1
- UWTROC Underwater rock 1
- WRECKS Wreck 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/US4CA2OD.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4CA2OD/1.0/US4CA2OD.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4CA2OD/1.0/US4CA2OD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4CA2OD/1.0/US4CA2OD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4CA2OD/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 22, 2026 | metadata.json |