NOAA S-57 chart cell
Bristol Bay
US4AK3WU
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 141
- S-57 layers
- 23
- Published
- Jun 10, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.50000° N
- South
- 58.20000° N
- West
- 159.60000° W
- East
- 159.00000° W
- Center
- 58.35000° N, 159.30000° W
- Bounds area
- 340 sq nm
- Feature density
- 0.4141 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.1
- Smallest layer
- 1
- Largest layer
- 31
- Area sq km
- 1,168
- Features per sq km
- 0.12074
- DEPARE Depth area 31
- DEPCNT Depth contour 23
- RIVERS River 14
- COALNE Coastline 13
- M_QUAL Data quality 13
- LNDARE Land area 8
- LNDRGN Land region 8
- SBDARE Seabed area 8
- SOUNDG Sounding 6
- M_NPUB 2
- MAGVAR Magnetic variation 2
- SEAARE Sea area 2
- ADMARE 1
- CBLSUB 1
- CONZNE 1
- EXEZNE 1
- LAKARE 1
- M_COVR Coverage 1
- M_NSYS 1
- MIPARE 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/US4AK3WU.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK3WU/1.2/US4AK3WU.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK3WU/1.2/US4AK3WU.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4AK3WU/1.2/US4AK3WU.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3WU/1.2/US4AK3WU.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3WU/1.2/US4AK3WU.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3WU/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Jun 10, 2025 | metadata.json |