NOAA S-57 chart cell
Unalaska l. to Amukta l.
US3AK60M
- Usage band
- Coastal · code 3
- Current edition
- 17.1
- Features
- 5,038
- S-57 layers
- 46
- Published
- May 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 54.36438° N
- South
- 52.09683° N
- West
- 171.47962° W
- East
- 166.27777° W
- Center
- 53.23060° N, 168.87870° W
- Bounds area
- 25,451 sq nm
- Feature density
- 0.1979 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 109.5
- Smallest layer
- 1
- Largest layer
- 1,175
- Area sq km
- 87,295
- Features per sq km
- 0.05771
- LNDARE Land area 1,175
- UWTROC Underwater rock 783
- COALNE Coastline 672
- DEPCNT Depth contour 506
- SBDARE Seabed area 460
- DEPARE Depth area 411
- RIVERS River 381
- LNDELV 193
- LNDRGN Land region 90
- SEAARE Sea area 69
- OBSTRN Obstruction 34
- M_QUAL Data quality 27
- SOUNDG Sounding 24
- WATTUR 22
- TESARE 21
- SLOGRD 19
- WEDKLP 19
- WRECKS Wreck 18
- LAKARE 13
- SLOTOP 13
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/US3AK60M.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/coastal/US3AK60M/17.1/US3AK60M.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/coastal/US3AK60M/17.1/US3AK60M.001
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK60M/17.1/US3AK60M.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK60M/17.1/US3AK60M.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK60M/17.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 17.1 | May 6, 2026 | metadata.json |