NOAA S-57 chart cell
Near Islands, AK
US3AK1BA
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 80
- S-57 layers
- 21
- Published
- May 19, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.80000° N
- South
- 51.60000° N
- West
- 170.40000° E
- East
- 172.80000° E
- Center
- 52.20000° N, 171.60000° E
- Bounds area
- 6,363 sq nm
- Feature density
- 0.0126 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.8
- Smallest layer
- 1
- Largest layer
- 20
- Area sq km
- 21,825
- Features per sq km
- 0.00367
- DEPARE Depth area 20
- DEPCNT Depth contour 19
- LNDARE Land area 10
- MAGVAR Magnetic variation 5
- M_QUAL Data quality 4
- SOUNDG Sounding 4
- OBSTRN Obstruction 2
- SBDARE Seabed area 2
- SEAARE Sea area 2
- ADMARE 1
- COALNE Coastline 1
- CONZNE 1
- COSARE 1
- EXEZNE 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- RESARE 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/US3AK1BA.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1BA/1.0/US3AK1BA.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1BA/1.0/US3AK1BA.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1BA/1.0/US3AK1BA.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1BA/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 19, 2026 | metadata.json |