NOAA S-57 chart cell
Puale Bay
US4AK4JA
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 689
- S-57 layers
- 25
- Published
- Apr 10, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.90000° N
- South
- 57.60000° N
- West
- 156.00000° W
- East
- 155.40000° W
- Center
- 57.75000° N, 155.70000° W
- Bounds area
- 346 sq nm
- Feature density
- 1.9899 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 27.6
- Smallest layer
- 1
- Largest layer
- 198
- Area sq km
- 1,188
- Features per sq km
- 0.58016
- DEPCNT Depth contour 198
- DEPARE Depth area 185
- SBDARE Seabed area 82
- UWTROC Underwater rock 67
- RIVERS River 44
- COALNE Coastline 17
- WEDKLP 16
- LNDARE Land area 15
- LNDELV 14
- OBSTRN Obstruction 9
- M_QUAL Data quality 8
- LNDRGN Land region 7
- SLOGRD 7
- MAGVAR Magnetic variation 4
- LNDMRK 3
- SEAARE Sea area 3
- CTNARE Caution area 2
- ADMARE 1
- LAKARE 1
- M_COVR Coverage 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/US4AK4JA.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4JA/1.0/US4AK4JA.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4JA/1.0/US4AK4JA.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4JA/1.0/US4AK4JA.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4JA/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 10, 2024 | metadata.json |