NOAA S-57 chart cell
Alaska
US4AK3PW
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 1,723
- S-57 layers
- 35
- Published
- Jun 10, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.40000° N
- South
- 56.10000° N
- West
- 158.40000° W
- East
- 157.80000° W
- Center
- 56.25000° N, 158.10000° W
- Bounds area
- 360 sq nm
- Feature density
- 4.7795 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 49.2
- Smallest layer
- 1
- Largest layer
- 422
- Area sq km
- 1,236
- Features per sq km
- 1.39349
- UWTROC Underwater rock 422
- DEPARE Depth area 289
- DEPCNT Depth contour 288
- SBDARE Seabed area 269
- COALNE Coastline 100
- WEDKLP 72
- LNDARE Land area 67
- OBSTRN Obstruction 40
- M_QUAL Data quality 34
- RIVERS River 34
- LNDELV 19
- M_VDAT 14
- SEAARE Sea area 11
- SLCONS Shoreline construction 8
- BUISGL 7
- SOUNDG Sounding 7
- LNDMRK 6
- LAKARE 5
- CBLSUB 4
- LNDRGN Land region 4
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/US4AK3PW.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3PW/2.0/US4AK3PW.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3PW/2.0/US4AK3PW.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3PW/2.0/US4AK3PW.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3PW/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 10, 2026 | metadata.json |