NOAA S-57 chart cell
Kotzebue Sound
US4AK6XS
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 32
- S-57 layers
- 15
- Published
- May 4, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 66.60000° N
- South
- 66.30000° N
- West
- 163.20000° W
- East
- 162.60000° W
- Center
- 66.45000° N, 162.90000° W
- Bounds area
- 259 sq nm
- Feature density
- 0.1234 / sq nm
Chart Statistics
15 largest layers shown
- Average features per layer
- 2.1
- Smallest layer
- 1
- Largest layer
- 7
- Area sq km
- 889
- Features per sq km
- 0.03599
- M_QUAL Data quality 7
- MAGVAR Magnetic variation 4
- SOUNDG Sounding 4
- DEPARE Depth area 3
- DEPCNT Depth contour 2
- M_NPUB 2
- TESARE 2
- CBLSUB 1
- CONZNE 1
- COSARE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- SBDARE Seabed area 1
- SEAARE Sea area 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/US4AK6XS.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK6XS/1.1/US4AK6XS.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK6XS/1.1/US4AK6XS.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6XS/1.1/US4AK6XS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6XS/1.1/US4AK6XS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6XS/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | May 4, 2026 | metadata.json |