NOAA S-57 chart cell
Alaska
US4AK5KZ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 5,341
- S-57 layers
- 39
- Published
- Jan 7, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.40000° N
- South
- 56.10000° N
- West
- 133.20000° W
- East
- 132.60000° W
- Center
- 56.25000° N, 132.90000° W
- Bounds area
- 360 sq nm
- Feature density
- 14.8157 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 136.9
- Smallest layer
- 1
- Largest layer
- 1,146
- Area sq km
- 1,236
- Features per sq km
- 4.31957
- DEPCNT Depth contour 1,146
- UWTROC Underwater rock 1,017
- DEPARE Depth area 987
- COALNE Coastline 598
- SBDARE Seabed area 594
- LNDARE Land area 564
- WEDKLP 127
- OBSTRN Obstruction 48
- RIVERS River 36
- LNDRGN Land region 27
- SEAARE Sea area 26
- M_QUAL Data quality 24
- DAYMAR 19
- LNDELV 19
- SLCONS Shoreline construction 14
- PILPNT 13
- SOUNDG Sounding 13
- LIGHTS Light 12
- BCNLAT Lateral beacon 10
- BCNSPP Special purpose beacon 9
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/US4AK5KZ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5KZ/1.0/US4AK5KZ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5KZ/1.0/US4AK5KZ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5KZ/1.0/US4AK5KZ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5KZ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 7, 2025 | metadata.json |