NOAA S-57 chart cell
Blying Sound
US4AK4PL
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 83
- S-57 layers
- 16
- Published
- Oct 26, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.70000° N
- South
- 59.40000° N
- West
- 149.40000° W
- East
- 148.80000° W
- Center
- 59.55000° N, 149.10000° W
- Bounds area
- 329 sq nm
- Feature density
- 0.2524 / sq nm
Chart Statistics
16 largest layers shown
- Average features per layer
- 5.2
- Smallest layer
- 1
- Largest layer
- 38
- Area sq km
- 1,128
- Features per sq km
- 0.07359
- SBDARE Seabed area 38
- DEPARE Depth area 7
- M_QUAL Data quality 7
- SOUNDG Sounding 7
- DEPCNT Depth contour 5
- CBLSUB 4
- MAGVAR Magnetic variation 3
- MIPARE 3
- SEAARE Sea area 2
- ADMARE 1
- CONZNE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- OBSTRN Obstruction 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/US4AK4PL.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4PL/1.0/US4AK4PL.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4PL/1.0/US4AK4PL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4PL/1.0/US4AK4PL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4PL/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 26, 2023 | metadata.json |