NOAA S-57 chart cell
Alaska
US4AK6RV
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 52
- S-57 layers
- 16
- Published
- Jun 23, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 64.80000° N
- South
- 64.50000° N
- West
- 161.40000° W
- East
- 160.80000° W
- Center
- 64.65000° N, 161.10000° W
- Bounds area
- 278 sq nm
- Feature density
- 0.1872 / sq nm
Chart Statistics
16 largest layers shown
- Average features per layer
- 3.3
- Smallest layer
- 1
- Largest layer
- 8
- Area sq km
- 953
- Features per sq km
- 0.05457
- COALNE Coastline 8
- RIVERS River 7
- LNDRGN Land region 6
- LNDARE Land area 5
- MAGVAR Magnetic variation 4
- BUISGL 3
- DEPARE Depth area 3
- SBDARE Seabed area 3
- SEAARE Sea area 3
- DEPCNT Depth contour 2
- LNDELV 2
- M_NPUB 2
- M_COVR Coverage 1
- M_NSYS 1
- M_QUAL Data quality 1
- SOUNDG Sounding 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/US4AK6RV.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6RV/1.0/US4AK6RV.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6RV/1.0/US4AK6RV.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6RV/1.0/US4AK6RV.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6RV/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 23, 2023 | metadata.json |