NOAA S-57 chart cell
Bristol Bay
US4AK3TV
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 26
- S-57 layers
- 13
- Published
- Dec 12, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.60000° N
- South
- 57.30000° N
- West
- 159.00000° W
- East
- 158.40000° W
- Center
- 57.45000° N, 158.70000° W
- Bounds area
- 349 sq nm
- Feature density
- 0.0745 / sq nm
Chart Statistics
13 largest layers shown
- Average features per layer
- 2
- Smallest layer
- 1
- Largest layer
- 5
- Area sq km
- 1,197
- Features per sq km
- 0.02171
- DEPARE Depth area 5
- M_QUAL Data quality 3
- MAGVAR Magnetic variation 3
- SOUNDG Sounding 3
- DEPCNT Depth contour 2
- M_NPUB 2
- SBDARE Seabed area 2
- ADMARE 1
- CONZNE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- SEAARE Sea area 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/US4AK3TV.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3TV/1.0/US4AK3TV.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3TV/1.0/US4AK3TV.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3TV/1.0/US4AK3TV.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3TV/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 12, 2023 | metadata.json |