NOAA S-57 chart cell
Alaska
US4AK7AE
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 56
- S-57 layers
- 21
- Published
- May 12, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 67.50000° N
- South
- 67.20000° N
- West
- 164.40000° W
- East
- 163.20000° W
- Center
- 67.35000° N, 163.80000° W
- Bounds area
- 500 sq nm
- Feature density
- 0.1121 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 2.7
- Smallest layer
- 1
- Largest layer
- 11
- Area sq km
- 1,714
- Features per sq km
- 0.03267
- DEPARE Depth area 11
- DEPCNT Depth contour 9
- LAKARE 5
- M_QUAL Data quality 4
- RIVERS River 4
- SBDARE Seabed area 4
- COALNE Coastline 3
- M_NPUB 2
- SOUNDG Sounding 2
- BUISGL 1
- CBLSUB 1
- CONZNE 1
- COSARE 1
- EXEZNE 1
- LNDARE Land area 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SEAARE Sea area 1
- TESARE 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/US4AK7AE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK7AE/2.0/US4AK7AE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK7AE/2.0/US4AK7AE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK7AE/2.0/US4AK7AE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK7AE/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | May 12, 2026 | metadata.json |