NOAA S-57 chart cell
Approach to Yukon River
US4AK6KO
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 54
- S-57 layers
- 18
- Published
- May 12, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 62.70000° N
- South
- 62.40000° N
- West
- 165.60000° W
- East
- 165.00000° W
- Center
- 62.55000° N, 165.30000° W
- Bounds area
- 299 sq nm
- Feature density
- 0.1805 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 3
- Smallest layer
- 1
- Largest layer
- 11
- Area sq km
- 1,026
- Features per sq km
- 0.05263
- COALNE Coastline 11
- LNDARE Land area 8
- DEPARE Depth area 7
- OBSTRN Obstruction 7
- M_QUAL Data quality 4
- DEPCNT Depth contour 3
- MAGVAR Magnetic variation 2
- SBDARE Seabed area 2
- BCNSPP Special purpose beacon 1
- DAYMAR 1
- LIGHTS Light 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- SEAARE Sea area 1
- SOUNDG Sounding 1
- UNSARE 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/US4AK6KO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6KO/3.0/US4AK6KO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6KO/3.0/US4AK6KO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6KO/3.0/US4AK6KO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6KO/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | May 12, 2026 | metadata.json |