NOAA S-57 chart cell
Blying Sound
US4AK4QL
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 847
- S-57 layers
- 37
- Published
- Oct 26, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.00000° N
- South
- 59.70000° N
- West
- 149.40000° W
- East
- 148.80000° W
- Center
- 59.85000° N, 149.10000° W
- Bounds area
- 326 sq nm
- Feature density
- 2.5989 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 22.9
- Smallest layer
- 1
- Largest layer
- 212
- Area sq km
- 1,118
- Features per sq km
- 0.75772
- UWTROC Underwater rock 212
- SBDARE Seabed area 158
- LNDARE Land area 96
- DEPCNT Depth contour 89
- DEPARE Depth area 66
- OBSTRN Obstruction 45
- COALNE Coastline 44
- SEAARE Sea area 20
- LNDRGN Land region 19
- WEDKLP 14
- LNDELV 13
- M_QUAL Data quality 11
- SOUNDG Sounding 11
- SLOTOP 9
- CBLSUB 8
- RIVERS River 6
- LIGHTS Light 3
- BCNSPP Special purpose beacon 2
- DAYMAR 2
- WRECKS Wreck 2
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/US4AK4QL.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4QL/1.0/US4AK4QL.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4QL/1.0/US4AK4QL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4QL/1.0/US4AK4QL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4QL/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 26, 2023 | metadata.json |