NOAA S-57 chart cell
Alaska
US4AK6QV
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 137
- S-57 layers
- 20
- Published
- Jun 23, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 64.50000° N
- South
- 64.20000° N
- West
- 161.40000° W
- East
- 160.80000° W
- Center
- 64.35000° N, 161.10000° W
- Bounds area
- 281 sq nm
- Feature density
- 0.4878 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.9
- Smallest layer
- 1
- Largest layer
- 33
- Area sq km
- 963
- Features per sq km
- 0.14221
- LAKARE 33
- RIVERS River 21
- COALNE Coastline 15
- LNDRGN Land region 13
- LNDARE Land area 12
- DEPARE Depth area 10
- DEPCNT Depth contour 8
- M_NPUB 4
- SEAARE Sea area 4
- BUISGL 3
- SBDARE Seabed area 3
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- BCNSPP Special purpose beacon 1
- BUAARE 1
- DAYMAR 1
- LIGHTS Light 1
- M_COVR Coverage 1
- M_NSYS 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/US4AK6QV.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6QV/1.0/US4AK6QV.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6QV/1.0/US4AK6QV.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6QV/1.0/US4AK6QV.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6QV/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 23, 2023 | metadata.json |