NOAA S-57 chart cell
Shelikof Strait
US4AK4JB
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 808
- S-57 layers
- 26
- Published
- Apr 10, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.90000° N
- South
- 57.60000° N
- West
- 155.40000° W
- East
- 154.80000° W
- Center
- 57.75000° N, 155.10000° W
- Bounds area
- 346 sq nm
- Feature density
- 2.3336 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 31.1
- Smallest layer
- 1
- Largest layer
- 234
- Area sq km
- 1,188
- Features per sq km
- 0.68036
- DEPCNT Depth contour 234
- DEPARE Depth area 216
- UWTROC Underwater rock 127
- SBDARE Seabed area 86
- LNDARE Land area 23
- RIVERS River 22
- COALNE Coastline 16
- LNDELV 15
- OBSTRN Obstruction 15
- WEDKLP 10
- M_QUAL Data quality 8
- SEAARE Sea area 7
- LNDRGN Land region 6
- CTNARE Caution area 5
- TESARE 4
- SOUNDG Sounding 3
- MAGVAR Magnetic variation 2
- ADMARE 1
- BUISGL 1
- CBLSUB 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/US4AK4JB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4JB/1.0/US4AK4JB.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4JB/1.0/US4AK4JB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4JB/1.0/US4AK4JB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4JB/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 10, 2024 | metadata.json |