NOAA S-57 chart cell
Norton Sound
US4AK6QR
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 49
- S-57 layers
- 19
- Published
- Jan 17, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 64.50000° N
- South
- 64.20000° N
- West
- 163.80000° W
- East
- 163.20000° W
- Center
- 64.35000° N, 163.50000° W
- Bounds area
- 281 sq nm
- Feature density
- 0.1745 / sq nm
Chart Statistics
19 largest layers shown
- Average features per layer
- 2.6
- Smallest layer
- 1
- Largest layer
- 9
- Area sq km
- 963
- Features per sq km
- 0.05086
- DEPARE Depth area 9
- DEPCNT Depth contour 9
- SBDARE Seabed area 5
- COALNE Coastline 3
- M_QUAL Data quality 3
- SOUNDG Sounding 3
- M_NPUB 2
- MAGVAR Magnetic variation 2
- RIVERS River 2
- UWTROC Underwater rock 2
- ADMARE 1
- CONZNE 1
- EXEZNE 1
- LNDARE Land area 1
- LNDELV 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NSYS 1
- SEAARE Sea area 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/US4AK6QR.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6QR/1.0/US4AK6QR.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6QR/1.0/US4AK6QR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6QR/1.0/US4AK6QR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6QR/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 17, 2023 | metadata.json |