NOAA S-57 chart cell
Alaska
US4AK4QE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 278
- S-57 layers
- 22
- Published
- Apr 1, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.00000° N
- South
- 59.70000° N
- West
- 153.60000° W
- East
- 153.00000° W
- Center
- 59.85000° N, 153.30000° W
- Bounds area
- 326 sq nm
- Feature density
- 0.853 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 12.6
- Smallest layer
- 1
- Largest layer
- 48
- Area sq km
- 1,118
- Features per sq km
- 0.2487
- RIVERS River 48
- UWTROC Underwater rock 44
- DEPARE Depth area 31
- DEPCNT Depth contour 29
- COALNE Coastline 25
- LNDRGN Land region 20
- LNDELV 19
- SBDARE Seabed area 16
- ICEARE 14
- SEAARE Sea area 7
- M_QUAL Data quality 5
- CTNARE Caution area 4
- OBSTRN Obstruction 4
- SOUNDG Sounding 3
- LNDARE Land area 2
- BUAARE 1
- BUISGL 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US4AK4QE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4QE/1.0/US4AK4QE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4QE/1.0/US4AK4QE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4QE/1.0/US4AK4QE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4QE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 1, 2024 | metadata.json |