NOAA S-57 chart cell
Alaska
US4AK5JZ
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 3,063
- S-57 layers
- 36
- Published
- Feb 14, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.10000° N
- South
- 55.80000° N
- West
- 133.20000° W
- East
- 132.60000° W
- Center
- 55.95000° N, 132.90000° W
- Bounds area
- 363 sq nm
- Feature density
- 8.4307 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 85.1
- Smallest layer
- 1
- Largest layer
- 540
- Area sq km
- 1,246
- Features per sq km
- 2.45799
- UWTROC Underwater rock 540
- DEPCNT Depth contour 531
- LNDARE Land area 482
- COALNE Coastline 453
- DEPARE Depth area 450
- SBDARE Seabed area 277
- RIVERS River 65
- WEDKLP 55
- SEAARE Sea area 36
- LNDRGN Land region 35
- OBSTRN Obstruction 30
- M_QUAL Data quality 24
- SOUNDG Sounding 19
- LNDELV 8
- LIGHTS Light 6
- PILPNT 6
- DAYMAR 5
- SLCONS Shoreline construction 5
- CBLSUB 4
- SLOGRD 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/US4AK5JZ.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK5JZ/1.1/US4AK5JZ.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK5JZ/1.1/US4AK5JZ.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5JZ/1.1/US4AK5JZ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5JZ/1.1/US4AK5JZ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5JZ/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Feb 14, 2025 | metadata.json |