NOAA S-57 chart cell
Shelikof Strait
US4AK4MD
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 444
- S-57 layers
- 21
- Published
- Jun 25, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.80000° N
- South
- 58.50000° N
- West
- 154.20000° W
- East
- 153.60000° W
- Center
- 58.65000° N, 153.90000° W
- Bounds area
- 338 sq nm
- Feature density
- 1.3152 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 21.1
- Smallest layer
- 1
- Largest layer
- 102
- Area sq km
- 1,158
- Features per sq km
- 0.38346
- DEPCNT Depth contour 102
- DEPARE Depth area 67
- LNDELV 49
- UWTROC Underwater rock 43
- COALNE Coastline 40
- SBDARE Seabed area 40
- LNDARE Land area 33
- RIVERS River 22
- OBSTRN Obstruction 14
- LNDRGN Land region 8
- ICEARE 7
- SEAARE Sea area 5
- WEDKLP 4
- ADMARE 2
- BUISGL 2
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 1
- MAGVAR Magnetic variation 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/US4AK4MD.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4MD/1.0/US4AK4MD.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4MD/1.0/US4AK4MD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4MD/1.0/US4AK4MD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4MD/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 25, 2025 | metadata.json |