NOAA S-57 chart cell
Amukta Pass, AK
US3AK1CH
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 179
- S-57 layers
- 15
- Published
- May 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 54.00000° N
- South
- 52.80000° N
- West
- 172.80000° W
- East
- 170.40000° W
- Center
- 53.40000° N, 171.60000° W
- Bounds area
- 6,190 sq nm
- Feature density
- 0.0289 / sq nm
Chart Statistics
15 largest layers shown
- Average features per layer
- 11.9
- Smallest layer
- 1
- Largest layer
- 71
- Area sq km
- 21,231
- Features per sq km
- 0.00843
- DEPARE Depth area 71
- DEPCNT Depth contour 71
- SBDARE Seabed area 8
- SOUNDG Sounding 7
- M_QUAL Data quality 5
- MAGVAR Magnetic variation 5
- M_NPUB 2
- RESARE 2
- SEAARE Sea area 2
- CONZNE 1
- COSARE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- TESARE 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/US3AK1CH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1CH/1.0/US3AK1CH.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1CH/1.0/US3AK1CH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1CH/1.0/US3AK1CH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1CH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 6, 2026 | metadata.json |