NOAA S-57 chart cell
Alaska
US4AK7BE
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 97
- S-57 layers
- 24
- Published
- Jun 3, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 67.80000° N
- South
- 67.50000° N
- West
- 164.40000° W
- East
- 163.20000° W
- Center
- 67.65000° N, 163.80000° W
- Bounds area
- 493 sq nm
- Feature density
- 0.1966 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 4
- Smallest layer
- 1
- Largest layer
- 16
- Area sq km
- 1,693
- Features per sq km
- 0.05731
- RIVERS River 16
- LNDRGN Land region 10
- SBDARE Seabed area 9
- DEPCNT Depth contour 8
- DEPARE Depth area 7
- LAKARE 7
- SILTNK 6
- COALNE Coastline 5
- M_QUAL Data quality 5
- LNDARE Land area 3
- SLCONS Shoreline construction 3
- BUISGL 2
- LIGHTS Light 2
- LNDMRK 2
- M_NPUB 2
- MAGVAR Magnetic variation 2
- CONVYR 1
- M_COVR Coverage 1
- M_NSYS 1
- MORFAC 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/US4AK7BE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK7BE/2.0/US4AK7BE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK7BE/2.0/US4AK7BE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK7BE/2.0/US4AK7BE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK7BE/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 3, 2026 | metadata.json |