NOAA S-57 chart cell
Nushagak River
US4AK3YW
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 305
- S-57 layers
- 20
- Published
- Oct 12, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.10000° N
- South
- 58.80000° N
- West
- 158.40000° W
- East
- 157.80000° W
- Center
- 58.95000° N, 158.10000° W
- Bounds area
- 335 sq nm
- Feature density
- 0.9113 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 15.3
- Smallest layer
- 1
- Largest layer
- 84
- Area sq km
- 1,148
- Features per sq km
- 0.2657
- RIVERS River 84
- COALNE Coastline 73
- LNDARE Land area 41
- DEPCNT Depth contour 25
- DEPARE Depth area 22
- LNDRGN Land region 17
- SBDARE Seabed area 12
- M_QUAL Data quality 9
- SEAARE Sea area 4
- CTNARE Caution area 3
- SOUNDG Sounding 3
- BUISGL 2
- MAGVAR Magnetic variation 2
- SLOTOP 2
- LNDELV 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- OBSTRN Obstruction 1
- VEGATN 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/US4AK3YW.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3YW/1.0/US4AK3YW.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3YW/1.0/US4AK3YW.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3YW/1.0/US4AK3YW.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3YW/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 12, 2023 | metadata.json |