NOAA S-57 chart cell
Columbia River Entrance
US4OR1NC
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 72
- S-57 layers
- 17
- Published
- Nov 22, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.20000° N
- South
- 45.90000° N
- West
- 124.50000° W
- East
- 124.20000° W
- Center
- 46.05000° N, 124.35000° W
- Bounds area
- 225 sq nm
- Feature density
- 0.3198 / sq nm
Chart Statistics
17 largest layers shown
- Average features per layer
- 4.2
- Smallest layer
- 1
- Largest layer
- 23
- Area sq km
- 772
- Features per sq km
- 0.09323
- SBDARE Seabed area 23
- SOUNDG Sounding 13
- M_QUAL Data quality 10
- DEPARE Depth area 5
- DEPCNT Depth contour 4
- BOYSPP Special purpose buoy 2
- LIGHTS Light 2
- M_NPUB 2
- MAGVAR Magnetic variation 2
- SEAARE Sea area 2
- CBLSUB 1
- CONZNE 1
- DMPGRD 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- TESARE 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/US4OR1NC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4OR1NC/1.0/US4OR1NC.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4OR1NC/1.0/US4OR1NC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4OR1NC/1.0/US4OR1NC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4OR1NC/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Nov 22, 2024 | metadata.json |