NOAA S-57 chart cell
North Pacific Ocean
US4AK3JN
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 211
- S-57 layers
- 22
- Published
- Aug 29, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 54.60000° N
- South
- 54.30000° N
- West
- 163.80000° W
- East
- 163.20000° W
- Center
- 54.45000° N, 163.50000° W
- Bounds area
- 377 sq nm
- Feature density
- 0.5593 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.6
- Smallest layer
- 1
- Largest layer
- 69
- Area sq km
- 1,294
- Features per sq km
- 0.16306
- DEPCNT Depth contour 69
- DEPARE Depth area 60
- SBDARE Seabed area 40
- M_QUAL Data quality 7
- SOUNDG Sounding 7
- UWTROC Underwater rock 4
- COALNE Coastline 3
- LNDARE Land area 3
- LNDELV 3
- SEAARE Sea area 3
- ADMARE 1
- CBLSUB 1
- CONZNE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- OBSTRN Obstruction 1
- RESARE 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/US4AK3JN.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3JN/1.0/US4AK3JN.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3JN/1.0/US4AK3JN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3JN/1.0/US4AK3JN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3JN/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 29, 2025 | metadata.json |