NOAA S-57 chart cell
Cape Blanco, OR
US4OR1CB
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,051
- S-57 layers
- 37
- Published
- Jan 30, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.90000° N
- South
- 42.60000° N
- West
- 124.80000° W
- East
- 124.50000° W
- Center
- 42.75000° N, 124.65000° W
- Bounds area
- 238 sq nm
- Feature density
- 4.4115 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 28.4
- Smallest layer
- 1
- Largest layer
- 217
- Area sq km
- 817
- Features per sq km
- 1.28618
- UWTROC Underwater rock 217
- LNDARE Land area 195
- COALNE Coastline 137
- SBDARE Seabed area 127
- DEPCNT Depth contour 90
- DEPARE Depth area 86
- OBSTRN Obstruction 61
- LNDELV 47
- LNDRGN Land region 12
- SOUNDG Sounding 11
- SEAARE Sea area 9
- M_QUAL Data quality 7
- SLOTOP 7
- RIVERS River 6
- WEDKLP 6
- LIGHTS Light 3
- SLCONS Shoreline construction 3
- WATTUR 3
- BUISGL 2
- LNDMRK 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/US4OR1CB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4OR1CB/1.0/US4OR1CB.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4OR1CB/1.0/US4OR1CB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4OR1CB/1.0/US4OR1CB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4OR1CB/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 30, 2026 | metadata.json |