NOAA S-57 chart cell
Cook Inlet - Approaches to Anchorage
US4AK4VJ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 593
- S-57 layers
- 38
- Published
- Apr 21, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 61.50000° N
- South
- 61.20000° N
- West
- 150.60000° W
- East
- 150.00000° W
- Center
- 61.35000° N, 150.30000° W
- Bounds area
- 311 sq nm
- Feature density
- 1.9061 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 15.6
- Smallest layer
- 1
- Largest layer
- 93
- Area sq km
- 1,067
- Features per sq km
- 0.55573
- DEPARE Depth area 93
- DEPCNT Depth contour 90
- COALNE Coastline 71
- LAKARE 67
- RIVERS River 67
- LNDARE Land area 48
- LNDRGN Land region 35
- UWTROC Underwater rock 22
- SBDARE Seabed area 21
- M_QUAL Data quality 13
- CTNARE Caution area 9
- SEAARE Sea area 9
- SOUNDG Sounding 6
- LIGHTS Light 4
- LNDELV 4
- BCNSPP Special purpose beacon 3
- M_NPUB 3
- C_AGGR 2
- CBLOHD 2
- DAYMAR 2
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/US4AK4VJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4VJ/1.0/US4AK4VJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4VJ/1.0/US4AK4VJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4VJ/1.0/US4AK4VJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4VJ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 21, 2025 | metadata.json |