NOAA S-57 chart cell
Alaska
US4AK5NZ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,118
- S-57 layers
- 31
- Published
- Mar 19, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.30000° N
- South
- 57.00000° N
- West
- 133.20000° W
- East
- 132.60000° W
- Center
- 57.15000° N, 132.90000° W
- Bounds area
- 352 sq nm
- Feature density
- 3.1763 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 36.1
- Smallest layer
- 1
- Largest layer
- 196
- Area sq km
- 1,207
- Features per sq km
- 0.92607
- DEPARE Depth area 196
- DEPCNT Depth contour 193
- COALNE Coastline 192
- SBDARE Seabed area 162
- UWTROC Underwater rock 95
- LNDARE Land area 61
- RIVERS River 47
- LNDELV 34
- LNDRGN Land region 33
- SLOGRD 32
- WEDKLP 24
- M_QUAL Data quality 12
- SEAARE Sea area 6
- SOUNDG Sounding 5
- CTNARE Caution area 3
- MAGVAR Magnetic variation 3
- BUISGL 2
- CBLARE 2
- CBLSUB 2
- LNDMRK 2
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/US4AK5NZ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5NZ/1.0/US4AK5NZ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5NZ/1.0/US4AK5NZ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5NZ/1.0/US4AK5NZ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5NZ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 19, 2025 | metadata.json |