NOAA S-57 chart cell
Columbia River Entrance
US4OR1ND
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 553
- S-57 layers
- 56
- Published
- Sep 26, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.20000° N
- South
- 45.90000° N
- West
- 124.20000° W
- East
- 123.90000° W
- Center
- 46.05000° N, 124.05000° W
- Bounds area
- 225 sq nm
- Feature density
- 2.4559 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.9
- Smallest layer
- 1
- Largest layer
- 60
- Area sq km
- 772
- Features per sq km
- 0.71603
- SBDARE Seabed area 60
- DEPCNT Depth contour 56
- COALNE Coastline 53
- DEPARE Depth area 49
- SLCONS Shoreline construction 43
- LNDARE Land area 36
- PILPNT 32
- PONTON 29
- M_QUAL Data quality 18
- RIVERS River 14
- BUISGL 13
- LNDRGN Land region 12
- OBSTRN Obstruction 12
- SOUNDG Sounding 12
- LIGHTS Light 11
- SEAARE Sea area 8
- UWTROC Underwater rock 8
- MORFAC 7
- BCNSPP Special purpose beacon 6
- BUAARE 6
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/US4OR1ND.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4OR1ND/1.1/US4OR1ND.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4OR1ND/1.1/US4OR1ND.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4OR1ND/1.1/US4OR1ND.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4OR1ND/1.1/US4OR1ND.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4OR1ND/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Sep 26, 2025 | metadata.json |