NOAA S-57 chart cell
Shumigan Islands
US4AK3LS
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 1,307
- S-57 layers
- 31
- Published
- Jun 2, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.20000° N
- South
- 54.90000° N
- West
- 160.80000° W
- East
- 160.20000° W
- Center
- 55.05000° N, 160.50000° W
- Bounds area
- 372 sq nm
- Feature density
- 3.5161 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 42.2
- Smallest layer
- 1
- Largest layer
- 256
- Area sq km
- 1,275
- Features per sq km
- 1.02514
- UWTROC Underwater rock 256
- SBDARE Seabed area 175
- COALNE Coastline 164
- DEPCNT Depth contour 155
- LNDARE Land area 143
- DEPARE Depth area 132
- WEDKLP 74
- M_QUAL Data quality 40
- LNDELV 36
- BUISGL 31
- OBSTRN Obstruction 26
- RIVERS River 26
- SOUNDG Sounding 18
- SEAARE Sea area 5
- TESARE 4
- LNDRGN Land region 3
- MAGVAR Magnetic variation 3
- ADMARE 2
- M_NPUB 2
- BUAARE 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/US4AK3LS.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3LS/2.0/US4AK3LS.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3LS/2.0/US4AK3LS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3LS/2.0/US4AK3LS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3LS/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 2, 2026 | metadata.json |