NOAA S-57 chart cell
Pye Islands
US4AK4OJ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 321
- S-57 layers
- 21
- Published
- Oct 26, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.40000° N
- South
- 59.10000° N
- West
- 150.60000° W
- East
- 150.00000° W
- Center
- 59.25000° N, 150.30000° W
- Bounds area
- 332 sq nm
- Feature density
- 0.9676 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 15.3
- Smallest layer
- 1
- Largest layer
- 107
- Area sq km
- 1,138
- Features per sq km
- 0.28209
- SBDARE Seabed area 107
- UWTROC Underwater rock 55
- DEPARE Depth area 39
- DEPCNT Depth contour 38
- OBSTRN Obstruction 28
- LNDELV 15
- LNDARE Land area 8
- SEAARE Sea area 6
- COALNE Coastline 5
- M_QUAL Data quality 3
- MAGVAR Magnetic variation 3
- SOUNDG Sounding 3
- CBLSUB 2
- WATTUR 2
- ADMARE 1
- CONZNE 1
- EXEZNE 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/US4AK4OJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4OJ/1.0/US4AK4OJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4OJ/1.0/US4AK4OJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4OJ/1.0/US4AK4OJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4OJ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 26, 2023 | metadata.json |