NOAA S-57 chart cell
Nunivak Island, Alaska
US4AK6CK
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 31
- S-57 layers
- 20
- Published
- Mar 9, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.30000° N
- South
- 60.00000° N
- West
- 168.00000° W
- East
- 167.40000° W
- Center
- 60.15000° N, 167.70000° W
- Bounds area
- 323 sq nm
- Feature density
- 0.096 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 1.6
- Smallest layer
- 1
- Largest layer
- 5
- Area sq km
- 1,108
- Features per sq km
- 0.02798
- DEPARE Depth area 5
- DEPCNT Depth contour 4
- M_NPUB 2
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- UWTROC Underwater rock 2
- ADMARE 1
- BCNSPP Special purpose beacon 1
- COALNE Coastline 1
- CONZNE 1
- DAYMAR 1
- EXEZNE 1
- LIGHTS Light 1
- LNDARE Land area 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NSYS 1
- RESARE 1
- SEAARE Sea area 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/US4AK6CK.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6CK/1.0/US4AK6CK.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6CK/1.0/US4AK6CK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6CK/1.0/US4AK6CK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6CK/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 9, 2023 | metadata.json |