NOAA S-57 chart cell
North Pacific Ocean
US4AK3KO
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,017
- S-57 layers
- 30
- Published
- Aug 29, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 54.90000° N
- South
- 54.60000° N
- West
- 163.20000° W
- East
- 162.60000° W
- Center
- 54.75000° N, 162.90000° W
- Bounds area
- 374 sq nm
- Feature density
- 2.7157 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 33.9
- Smallest layer
- 1
- Largest layer
- 271
- Area sq km
- 1,284
- Features per sq km
- 0.79176
- SBDARE Seabed area 271
- DEPARE Depth area 211
- DEPCNT Depth contour 210
- UWTROC Underwater rock 80
- LNDELV 52
- LNDARE Land area 41
- WEDKLP 40
- COALNE Coastline 36
- OBSTRN Obstruction 28
- SOUNDG Sounding 8
- M_QUAL Data quality 7
- LNDRGN Land region 5
- MAGVAR Magnetic variation 5
- ADMARE 3
- SEAARE Sea area 3
- CBLSUB 2
- RIVERS River 2
- BCNSPP Special purpose beacon 1
- BOYLAT Lateral buoy 1
- DAYMAR 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/US4AK3KO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3KO/1.0/US4AK3KO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3KO/1.0/US4AK3KO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3KO/1.0/US4AK3KO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3KO/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 29, 2025 | metadata.json |