NOAA S-57 chart cell
Prince William Sound, Alaska
US4AK4VO
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 16
- S-57 layers
- 10
- Published
- May 15, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 61.50000° N
- South
- 61.20000° N
- West
- 147.60000° W
- East
- 147.00000° W
- Center
- 61.35000° N, 147.30000° W
- Bounds area
- 311 sq nm
- Feature density
- 0.0514 / sq nm
Chart Statistics
10 largest layers shown
- Average features per layer
- 1.6
- Smallest layer
- 1
- Largest layer
- 3
- Area sq km
- 1,067
- Features per sq km
- 0.01499
- ICEARE 3
- LNDELV 3
- SLOGRD 3
- LNDARE Land area 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 1
- MAGVAR Magnetic variation 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/US4AK4VO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4VO/2.0/US4AK4VO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4VO/2.0/US4AK4VO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4VO/2.0/US4AK4VO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4VO/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | May 15, 2026 | metadata.json |