NOAA S-57 chart cell
Umpqua, OR
US4OR1FC
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 117
- S-57 layers
- 34
- Published
- Jan 30, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 43.80000° N
- South
- 43.50000° N
- West
- 124.50000° W
- East
- 124.20000° W
- Center
- 43.65000° N, 124.35000° W
- Bounds area
- 235 sq nm
- Feature density
- 0.4984 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.4
- Smallest layer
- 1
- Largest layer
- 21
- Area sq km
- 805
- Features per sq km
- 0.14531
- SLOGRD 21
- DEPCNT Depth contour 18
- DEPARE Depth area 17
- SOUNDG Sounding 10
- M_QUAL Data quality 6
- SBDARE Seabed area 6
- DMPGRD 4
- LIGHTS Light 4
- COALNE Coastline 3
- LNDARE Land area 2
- LNDMRK 2
- SLCONS Shoreline construction 2
- ADMARE 1
- BCNLAT Lateral beacon 1
- BCNSPP Special purpose beacon 1
- BOYLAT Lateral buoy 1
- BOYSAW 1
- CONZNE 1
- COSARE 1
- CTNARE Caution 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/US4OR1FC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4OR1FC/1.0/US4OR1FC.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4OR1FC/1.0/US4OR1FC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4OR1FC/1.0/US4OR1FC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4OR1FC/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 30, 2026 | metadata.json |