NOAA S-57 chart cell
Andreanof Islands, AK
US3AK1BG
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 1,961
- S-57 layers
- 38
- Published
- May 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.80000° N
- South
- 51.60000° N
- West
- 175.20000° W
- East
- 172.80000° W
- Center
- 52.20000° N, 174.00000° W
- Bounds area
- 6,363 sq nm
- Feature density
- 0.3082 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 51.6
- Smallest layer
- 1
- Largest layer
- 427
- Area sq km
- 21,825
- Features per sq km
- 0.08985
- LNDARE Land area 427
- COALNE Coastline 272
- UWTROC Underwater rock 257
- DEPCNT Depth contour 255
- DEPARE Depth area 236
- RIVERS River 149
- M_QUAL Data quality 68
- LNDELV 62
- OBSTRN Obstruction 51
- SBDARE Seabed area 40
- SEAARE Sea area 25
- SLOTOP 23
- LNDRGN Land region 19
- SLOGRD 12
- TESARE 8
- SLCONS Shoreline construction 7
- WATTUR 7
- MAGVAR Magnetic variation 6
- WEDKLP 6
- SOUNDG Sounding 4
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/US3AK1BG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1BG/1.0/US3AK1BG.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1BG/1.0/US3AK1BG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1BG/1.0/US3AK1BG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1BG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 6, 2026 | metadata.json |