NOAA S-57 chart cell
Bristol Bay - Approach to Kvichak Bay
US4AK3WW
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 138
- S-57 layers
- 15
- Published
- Jun 10, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.50000° N
- South
- 58.20000° N
- West
- 158.40000° W
- East
- 157.80000° W
- Center
- 58.35000° N, 158.10000° W
- Bounds area
- 340 sq nm
- Feature density
- 0.4053 / sq nm
Chart Statistics
15 largest layers shown
- Average features per layer
- 9.2
- Smallest layer
- 1
- Largest layer
- 51
- Area sq km
- 1,168
- Features per sq km
- 0.11817
- DEPARE Depth area 51
- DEPCNT Depth contour 43
- SBDARE Seabed area 20
- SOUNDG Sounding 7
- M_QUAL Data quality 4
- MAGVAR Magnetic variation 2
- SEAARE Sea area 2
- TESARE 2
- ADMARE 1
- CBLSUB 1
- CONZNE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US4AK3WW.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK3WW/1.2/US4AK3WW.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK3WW/1.2/US4AK3WW.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4AK3WW/1.2/US4AK3WW.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3WW/1.2/US4AK3WW.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3WW/1.2/US4AK3WW.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3WW/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Jun 10, 2025 | metadata.json |