NOAA S-57 chart cell
Alaska
US4AK6QT
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 32
- S-57 layers
- 16
- Published
- Jun 23, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 64.50000° N
- South
- 64.20000° N
- West
- 162.60000° W
- East
- 162.00000° W
- Center
- 64.35000° N, 162.30000° W
- Bounds area
- 281 sq nm
- Feature density
- 0.1139 / sq nm
Chart Statistics
16 largest layers shown
- Average features per layer
- 2
- Smallest layer
- 1
- Largest layer
- 6
- Area sq km
- 963
- Features per sq km
- 0.03322
- DEPARE Depth area 6
- DEPCNT Depth contour 5
- M_QUAL Data quality 3
- SBDARE Seabed area 3
- COALNE Coastline 2
- M_NPUB 2
- SEAARE Sea area 2
- ADMARE 1
- CONZNE 1
- EXEZNE 1
- LNDARE Land area 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SOUNDG Sounding 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/US4AK6QT.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6QT/1.0/US4AK6QT.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6QT/1.0/US4AK6QT.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6QT/1.0/US4AK6QT.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6QT/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 23, 2023 | metadata.json |