NOAA S-57 chart cell
Alaska
US4AK6DN
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 266
- S-57 layers
- 31
- Published
- May 13, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.60000° N
- South
- 60.30000° N
- West
- 166.20000° W
- East
- 165.60000° W
- Center
- 60.45000° N, 165.90000° W
- Bounds area
- 320 sq nm
- Feature density
- 0.8312 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8.6
- Smallest layer
- 1
- Largest layer
- 54
- Area sq km
- 1,098
- Features per sq km
- 0.24234
- DEPCNT Depth contour 54
- DEPARE Depth area 42
- COALNE Coastline 30
- M_QUAL Data quality 18
- SBDARE Seabed area 18
- LNDRGN Land region 15
- LNDARE Land area 12
- LAKARE 11
- UWTROC Underwater rock 10
- RIVERS River 9
- SOUNDG Sounding 9
- SEAARE Sea area 8
- CTNARE Caution area 7
- OBSTRN Obstruction 3
- DAYMAR 2
- LNDELV 2
- MAGVAR Magnetic variation 2
- ACHARE Anchorage area 1
- ADMARE 1
- BCNLAT Lateral beacon 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/US4AK6DN.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK6DN/1.2/US4AK6DN.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK6DN/1.2/US4AK6DN.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4AK6DN/1.2/US4AK6DN.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6DN/1.2/US4AK6DN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6DN/1.2/US4AK6DN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6DN/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | May 13, 2025 | metadata.json |