NOAA S-57 chart cell
Alaska
US4AK6CO
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 145
- S-57 layers
- 11
- Published
- Feb 28, 2022
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.30000° N
- South
- 60.00000° N
- West
- 165.60000° W
- East
- 165.00000° W
- Center
- 60.15000° N, 165.30000° W
- Bounds area
- 323 sq nm
- Feature density
- 0.449 / sq nm
Chart Statistics
11 largest layers shown
- Average features per layer
- 13.2
- Smallest layer
- 1
- Largest layer
- 55
- Area sq km
- 1,108
- Features per sq km
- 0.1309
- DEPCNT Depth contour 55
- DEPARE Depth area 52
- M_QUAL Data quality 16
- SOUNDG Sounding 8
- CTNARE Caution area 6
- MAGVAR Magnetic variation 2
- SEAARE Sea area 2
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- RESARE 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/US4AK6CO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6CO/2.0/US4AK6CO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6CO/2.0/US4AK6CO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6CO/2.0/US4AK6CO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6CO/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Feb 28, 2022 | metadata.json |