NOAA S-57 chart cell
Approach to Yukon River
US4AK6KN
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 29
- S-57 layers
- 14
- Published
- Sep 9, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 62.70000° N
- South
- 62.40000° N
- West
- 166.20000° W
- East
- 165.60000° W
- Center
- 62.55000° N, 165.90000° W
- Bounds area
- 299 sq nm
- Feature density
- 0.097 / sq nm
Chart Statistics
14 largest layers shown
- Average features per layer
- 2.1
- Smallest layer
- 1
- Largest layer
- 7
- Area sq km
- 1,026
- Features per sq km
- 0.02827
- SBDARE Seabed area 7
- DEPCNT Depth contour 5
- DEPARE Depth area 4
- M_QUAL Data quality 2
- SOUNDG Sounding 2
- CONZNE 1
- CTNARE Caution area 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 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/US4AK6KN.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK6KN/1.1/US4AK6KN.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK6KN/1.1/US4AK6KN.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6KN/1.1/US4AK6KN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6KN/1.1/US4AK6KN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6KN/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Sep 9, 2025 | metadata.json |