NOAA S-57 chart cell
Andreanof Islands, AK
US3AK1AF
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 164
- S-57 layers
- 20
- Published
- May 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 51.60000° N
- South
- 50.40000° N
- West
- 177.60000° W
- East
- 175.20000° W
- Center
- 51.00000° N, 176.40000° W
- Bounds area
- 6,533 sq nm
- Feature density
- 0.0251 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8.2
- Smallest layer
- 1
- Largest layer
- 66
- Area sq km
- 22,409
- Features per sq km
- 0.00732
- DEPCNT Depth contour 66
- DEPARE Depth area 55
- M_QUAL Data quality 8
- LNDARE Land area 7
- SOUNDG Sounding 5
- MAGVAR Magnetic variation 4
- SBDARE Seabed area 3
- M_NPUB 2
- SEAARE Sea area 2
- TESARE 2
- ADMARE 1
- COALNE Coastline 1
- CONZNE 1
- COSARE 1
- EXEZNE 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NSYS 1
- RESARE 1
- RIVERS River 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/US3AK1AF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1AF/1.0/US3AK1AF.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1AF/1.0/US3AK1AF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1AF/1.0/US3AK1AF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1AF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 6, 2026 | metadata.json |