NOAA S-57 chart cell
Yukon River
US4AK6IR
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 70
- S-57 layers
- 12
- Published
- May 12, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 62.10000° N
- South
- 61.80000° N
- West
- 163.80000° W
- East
- 163.20000° W
- Center
- 61.95000° N, 163.50000° W
- Bounds area
- 305 sq nm
- Feature density
- 0.2294 / sq nm
Chart Statistics
12 largest layers shown
- Average features per layer
- 5.8
- Smallest layer
- 1
- Largest layer
- 21
- Area sq km
- 1,047
- Features per sq km
- 0.06689
- OBSTRN Obstruction 21
- COALNE Coastline 17
- LNDARE Land area 15
- RIVERS River 4
- LNDRGN Land region 3
- DEPARE Depth area 2
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- BUAARE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US4AK6IR.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6IR/3.0/US4AK6IR.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6IR/3.0/US4AK6IR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6IR/3.0/US4AK6IR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6IR/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | May 12, 2026 | metadata.json |