NOAA S-57 chart cell
Bristol Bay
US4AK3PS
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 80
- S-57 layers
- 25
- Published
- Jun 9, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.40000° N
- South
- 56.10000° N
- West
- 160.80000° W
- East
- 160.20000° W
- Center
- 56.25000° N, 160.50000° W
- Bounds area
- 360 sq nm
- Feature density
- 0.2219 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.2
- Smallest layer
- 1
- Largest layer
- 15
- Area sq km
- 1,236
- Features per sq km
- 0.0647
- COALNE Coastline 15
- DEPARE Depth area 9
- DEPCNT Depth contour 8
- SBDARE Seabed area 8
- LNDARE Land area 5
- M_QUAL Data quality 5
- RIVERS River 5
- LNDRGN Land region 3
- SEAARE Sea area 3
- M_NPUB 2
- MAGVAR Magnetic variation 2
- SOUNDG Sounding 2
- ADMARE 1
- CONZNE 1
- COSARE 1
- CTNARE Caution area 1
- EXEZNE 1
- LAKARE 1
- LNDMRK 1
- M_COVR Coverage 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/US4AK3PS.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3PS/2.0/US4AK3PS.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3PS/2.0/US4AK3PS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3PS/2.0/US4AK3PS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3PS/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 9, 2026 | metadata.json |