NOAA S-57 chart cell
Shumigan Islands
US4AK3MS
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 2,344
- S-57 layers
- 45
- Published
- Jun 2, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.50000° N
- South
- 55.20000° N
- West
- 160.80000° W
- East
- 160.20000° W
- Center
- 55.35000° N, 160.50000° W
- Bounds area
- 369 sq nm
- Feature density
- 6.3536 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 52.1
- Smallest layer
- 1
- Largest layer
- 392
- Area sq km
- 1,265
- Features per sq km
- 1.85241
- DEPCNT Depth contour 392
- UWTROC Underwater rock 384
- DEPARE Depth area 334
- WEDKLP 226
- SBDARE Seabed area 192
- COALNE Coastline 132
- RIVERS River 100
- OBSTRN Obstruction 92
- LNDARE Land area 78
- SLCONS Shoreline construction 77
- BUISGL 56
- LNDELV 56
- M_QUAL Data quality 51
- SEAARE Sea area 25
- LAKARE 24
- LNDRGN Land region 18
- SOUNDG Sounding 18
- MORFAC 16
- LIGHTS Light 8
- DRGARE 7
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/US4AK3MS.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3MS/2.0/US4AK3MS.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3MS/2.0/US4AK3MS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3MS/2.0/US4AK3MS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3MS/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 2, 2026 | metadata.json |