NOAA S-57 chart cell
Bristol Bay
US4AK3YT
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 419
- S-57 layers
- 23
- Published
- Dec 12, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.10000° N
- South
- 58.80000° N
- West
- 160.20000° W
- East
- 159.60000° W
- Center
- 58.95000° N, 159.90000° W
- Bounds area
- 335 sq nm
- Feature density
- 1.2519 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 18.2
- Smallest layer
- 1
- Largest layer
- 81
- Area sq km
- 1,148
- Features per sq km
- 0.36501
- DEPCNT Depth contour 81
- DEPARE Depth area 68
- SBDARE Seabed area 62
- UWTROC Underwater rock 53
- COALNE Coastline 48
- LNDARE Land area 31
- OBSTRN Obstruction 21
- RIVERS River 18
- LNDRGN Land region 11
- SEAARE Sea area 9
- LNDELV 2
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- SLCONS Shoreline construction 2
- CTNARE Caution area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- RESARE 1
- SLOTOP 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/US4AK3YT.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3YT/1.0/US4AK3YT.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3YT/1.0/US4AK3YT.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3YT/1.0/US4AK3YT.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3YT/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 12, 2023 | metadata.json |