NOAA S-57 chart cell
Alaska
US4AK6ND
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 41
- S-57 layers
- 18
- Published
- Aug 18, 2020
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 63.60000° N
- South
- 63.30000° N
- West
- 172.20000° W
- East
- 171.60000° W
- Center
- 63.45000° N, 171.90000° W
- Bounds area
- 290 sq nm
- Feature density
- 0.1414 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 2.3
- Smallest layer
- 1
- Largest layer
- 8
- Area sq km
- 995
- Features per sq km
- 0.04121
- RIVERS River 8
- LNDRGN Land region 6
- DEPARE Depth area 5
- DEPCNT Depth contour 4
- LNDELV 3
- M_QUAL Data quality 2
- SEAARE Sea area 2
- ADMARE 1
- COALNE Coastline 1
- CONZNE 1
- EXEZNE 1
- LNDARE Land area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- RESARE 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/US4AK6ND.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6ND/1.0/US4AK6ND.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6ND/1.0/US4AK6ND.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6ND/1.0/US4AK6ND.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6ND/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 18, 2020 | metadata.json |