NOAA S-57 chart cell
Franklin D. Roosevelt Lake, WA
US4WA1KY
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 638
- S-57 layers
- 35
- Published
- Jun 12, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.90000° N
- South
- 48.60000° N
- West
- 118.20000° W
- East
- 117.90000° W
- Center
- 48.75000° N, 118.05000° W
- Bounds area
- 214 sq nm
- Feature density
- 2.9825 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 18.2
- Smallest layer
- 1
- Largest layer
- 208
- Area sq km
- 734
- Features per sq km
- 0.86955
- COALNE Coastline 208
- SLOTOP 76
- LNDARE Land area 67
- DEPARE Depth area 53
- OBSTRN Obstruction 50
- SBDARE Seabed area 24
- RIVERS River 19
- DEPCNT Depth contour 18
- BOYLAT Lateral buoy 10
- BUAARE 10
- LNDRGN Land region 10
- UWTROC Underwater rock 10
- VEGATN 9
- BRIDGE 8
- SLCONS Shoreline construction 8
- BOYSPP Special purpose buoy 6
- DISMAR 5
- LAKARE 5
- LNDELV 5
- SEAARE Sea area 5
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/US4WA1KY.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4WA1KY/2.0/US4WA1KY.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4WA1KY/2.0/US4WA1KY.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4WA1KY/2.0/US4WA1KY.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4WA1KY/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 12, 2025 | metadata.json |