NOAA S-57 chart cell
Alaska
US4AK5JN
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 4,816
- S-57 layers
- 34
- Published
- Feb 14, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.10000° N
- South
- 55.80000° N
- West
- 132.60000° W
- East
- 132.00000° W
- Center
- 55.95000° N, 132.30000° W
- Bounds area
- 363 sq nm
- Feature density
- 13.2557 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 141.6
- Smallest layer
- 1
- Largest layer
- 1,183
- Area sq km
- 1,246
- Features per sq km
- 3.86474
- DEPCNT Depth contour 1,183
- UWTROC Underwater rock 964
- DEPARE Depth area 946
- SBDARE Seabed area 547
- COALNE Coastline 501
- LNDARE Land area 340
- RIVERS River 78
- LNDRGN Land region 45
- OBSTRN Obstruction 37
- M_QUAL Data quality 28
- SEAARE Sea area 25
- LNDELV 19
- WEDKLP 19
- SOUNDG Sounding 15
- VEGATN 10
- SLCONS Shoreline construction 8
- M_NPUB 5
- WATTUR 5
- DAYMAR 4
- MAGVAR Magnetic variation 4
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/US4AK5JN.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK5JN/1.1/US4AK5JN.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK5JN/1.1/US4AK5JN.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5JN/1.1/US4AK5JN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5JN/1.1/US4AK5JN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5JN/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Feb 14, 2025 | metadata.json |