NOAA S-57 chart cell
Kotzebue Sound
US4AK6WU
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 51
- S-57 layers
- 19
- Published
- Dec 1, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 66.30000° N
- South
- 66.00000° N
- West
- 162.00000° W
- East
- 161.40000° W
- Center
- 66.15000° N, 161.70000° W
- Bounds area
- 262 sq nm
- Feature density
- 0.1944 / sq nm
Chart Statistics
19 largest layers shown
- Average features per layer
- 2.7
- Smallest layer
- 1
- Largest layer
- 8
- Area sq km
- 900
- Features per sq km
- 0.05667
- COALNE Coastline 8
- LNDARE Land area 8
- DEPARE Depth area 5
- DEPCNT Depth contour 4
- RIVERS River 4
- LNDRGN Land region 3
- SEAARE Sea area 3
- LNDELV 2
- M_NPUB 2
- OBSTRN Obstruction 2
- SOUNDG Sounding 2
- BUAARE 1
- M_COVR Coverage 1
- M_NSYS 1
- M_QUAL Data quality 1
- MAGVAR Magnetic variation 1
- SILTNK 1
- SLOGRD 1
- UWTROC Underwater rock 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/US4AK6WU.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6WU/1.0/US4AK6WU.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6WU/1.0/US4AK6WU.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6WU/1.0/US4AK6WU.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6WU/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 1, 2023 | metadata.json |