NOAA S-57 chart cell
Near Islands, AK
US3AK1BB
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 761
- S-57 layers
- 30
- Published
- May 19, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.80000° N
- South
- 51.60000° N
- West
- 172.80000° E
- East
- 175.20000° E
- Center
- 52.20000° N, 174.00000° E
- Bounds area
- 6,363 sq nm
- Feature density
- 0.1196 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 25.4
- Smallest layer
- 1
- Largest layer
- 148
- Area sq km
- 21,825
- Features per sq km
- 0.03487
- UWTROC Underwater rock 148
- DEPCNT Depth contour 114
- DEPARE Depth area 111
- LNDARE Land area 103
- SLOGRD 67
- LNDELV 59
- SBDARE Seabed area 31
- OBSTRN Obstruction 30
- COALNE Coastline 19
- SEAARE Sea area 15
- WEDKLP 14
- LNDRGN Land region 9
- M_QUAL Data quality 6
- SLCONS Shoreline construction 6
- MAGVAR Magnetic variation 4
- ADMARE 3
- SOUNDG Sounding 3
- WATTUR 3
- WRECKS Wreck 3
- CONZNE 2
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/US3AK1BB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1BB/1.0/US3AK1BB.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1BB/1.0/US3AK1BB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1BB/1.0/US3AK1BB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1BB/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 19, 2026 | metadata.json |