NOAA S-57 chart cell
Alaska
US4AK5NJ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 4,110
- S-57 layers
- 36
- Published
- Mar 19, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.30000° N
- South
- 57.00000° N
- West
- 135.00000° W
- East
- 134.40000° W
- Center
- 57.15000° N, 134.70000° W
- Bounds area
- 352 sq nm
- Feature density
- 11.6769 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 114.2
- Smallest layer
- 1
- Largest layer
- 818
- Area sq km
- 1,207
- Features per sq km
- 3.40444
- DEPCNT Depth contour 818
- UWTROC Underwater rock 795
- DEPARE Depth area 643
- SBDARE Seabed area 532
- COALNE Coastline 512
- WEDKLP 230
- LNDARE Land area 183
- SLOTOP 73
- OBSTRN Obstruction 56
- RIVERS River 39
- LNDRGN Land region 28
- SEAARE Sea area 24
- SLOGRD 24
- M_QUAL Data quality 23
- BUISGL 21
- SLCONS Shoreline construction 19
- LNDELV 18
- PILPNT 17
- SOUNDG Sounding 10
- MAGVAR Magnetic variation 6
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/US4AK5NJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5NJ/1.0/US4AK5NJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5NJ/1.0/US4AK5NJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5NJ/1.0/US4AK5NJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5NJ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 19, 2025 | metadata.json |