NOAA S-57 chart cell
Alaska
US4AK6BN
- Usage band
- Approach · code 4
- Current edition
- 2.1
- Features
- 157
- S-57 layers
- 20
- Published
- Mar 8, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.00000° N
- South
- 59.70000° N
- West
- 166.20000° W
- East
- 165.60000° W
- Center
- 59.85000° N, 165.90000° W
- Bounds area
- 326 sq nm
- Feature density
- 0.4817 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7.9
- Smallest layer
- 1
- Largest layer
- 35
- Area sq km
- 1,118
- Features per sq km
- 0.14045
- LNDARE Land area 35
- COALNE Coastline 31
- DEPARE Depth area 13
- DEPCNT Depth contour 10
- RIVERS River 10
- UWTROC Underwater rock 10
- LAKARE 8
- M_QUAL Data quality 8
- LNDRGN Land region 7
- OBSTRN Obstruction 4
- SBDARE Seabed area 4
- SEAARE Sea area 4
- SOUNDG Sounding 4
- CTNARE Caution area 3
- LNDELV 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- RESARE 1
Nearby Chart Cells
Approach 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/US4AK6BN.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK6BN/2.1/US4AK6BN.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK6BN/2.1/US4AK6BN.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6BN/2.1/US4AK6BN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6BN/2.1/US4AK6BN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6BN/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | Mar 8, 2023 | metadata.json |