NOAA S-57 chart cell
Shelikof Strait; Uyak Bay and Spiridon Bay
US4AK4JD
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 1,365
- S-57 layers
- 33
- Published
- Jun 15, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.90000° N
- South
- 57.60000° N
- West
- 154.20000° W
- East
- 153.60000° W
- Center
- 57.75000° N, 153.90000° W
- Bounds area
- 346 sq nm
- Feature density
- 3.9422 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 41.4
- Smallest layer
- 1
- Largest layer
- 239
- Area sq km
- 1,188
- Features per sq km
- 1.14938
- UWTROC Underwater rock 239
- DEPCNT Depth contour 236
- DEPARE Depth area 231
- SBDARE Seabed area 224
- COALNE Coastline 173
- LNDARE Land area 57
- LNDELV 45
- WEDKLP 29
- RIVERS River 27
- OBSTRN Obstruction 19
- BUISGL 16
- LNDRGN Land region 12
- SEAARE Sea area 11
- M_QUAL Data quality 7
- SOUNDG Sounding 7
- LAKARE 4
- PILPNT 4
- LNDMRK 3
- MAGVAR Magnetic variation 3
- BUAARE 2
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/US4AK4JD.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4JD/3.0/US4AK4JD.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4JD/3.0/US4AK4JD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4JD/3.0/US4AK4JD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4JD/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | Jun 15, 2026 | metadata.json |