NOAA S-57 chart cell
Alaska - Aleutian Islands, Amchitka Pass to Attu Island
US3AK7WM
- Usage band
- Coastal · code 3
- Current edition
- 5.4
- Features
- 401
- S-57 layers
- 26
- Published
- May 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.91597° N
- South
- 50.53889° N
- West
- 179.32109° E
- East
- 180.00000° E
- Center
- 51.72743° N, 179.66054° E
- Bounds area
- 3,603 sq nm
- Feature density
- 0.1113 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 15.4
- Smallest layer
- 1
- Largest layer
- 110
- Area sq km
- 12,359
- Features per sq km
- 0.03245
- DEPARE Depth area 110
- DEPCNT Depth contour 110
- LNDARE Land area 80
- RIVERS River 26
- SBDARE Seabed area 12
- UWTROC Underwater rock 11
- M_QUAL Data quality 8
- LNDRGN Land region 6
- COALNE Coastline 5
- LNDELV 4
- SEAARE Sea area 4
- SOUNDG Sounding 3
- TESARE 3
- ADMARE 2
- CONZNE 2
- EXEZNE 2
- M_COVR Coverage 2
- MAGVAR Magnetic variation 2
- RESARE 2
- BOYSPP Special purpose buoy 1
Nearby Chart Cells
Coastal 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/US3AK7WM.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/coastal/US3AK7WM/5.4/US3AK7WM.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/coastal/US3AK7WM/5.4/US3AK7WM.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/coastal/US3AK7WM/5.4/US3AK7WM.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/coastal/US3AK7WM/5.4/US3AK7WM.003
- S-57 update 004 https://charts.openships.ai/noaa/s57/coastal/US3AK7WM/5.4/US3AK7WM.004
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK7WM/5.4/US3AK7WM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK7WM/5.4/US3AK7WM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK7WM/5.4/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.4 | May 20, 2026 | metadata.json |