NOAA S-57 chart cell
Kotzebue Sound
US4AK6WT
- Usage band
- Approach · code 4
- Current edition
- 2.1
- Features
- 27
- S-57 layers
- 16
- Published
- May 4, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 66.30000° N
- South
- 66.00000° N
- West
- 162.60000° W
- East
- 162.00000° W
- Center
- 66.15000° N, 162.30000° W
- Bounds area
- 262 sq nm
- Feature density
- 0.1029 / sq nm
Chart Statistics
16 largest layers shown
- Average features per layer
- 1.7
- Smallest layer
- 1
- Largest layer
- 5
- Area sq km
- 900
- Features per sq km
- 0.03
- DEPARE Depth area 5
- DEPCNT Depth contour 4
- RIVERS River 3
- M_NPUB 2
- SOUNDG Sounding 2
- CBLSUB 1
- COALNE Coastline 1
- LNDARE Land area 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NSYS 1
- M_QUAL Data quality 1
- MAGVAR Magnetic variation 1
- OBSTRN Obstruction 1
- SEAARE Sea area 1
- TESARE 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/US4AK6WT.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK6WT/2.1/US4AK6WT.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK6WT/2.1/US4AK6WT.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6WT/2.1/US4AK6WT.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6WT/2.1/US4AK6WT.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6WT/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | May 4, 2026 | metadata.json |