NOAA S-57 chart cell
Alaska
US4AK5QZ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 41
- S-57 layers
- 17
- Published
- Mar 19, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.20000° N
- South
- 57.90000° N
- West
- 133.20000° W
- East
- 132.60000° W
- Center
- 58.05000° N, 132.90000° W
- Bounds area
- 343 sq nm
- Feature density
- 0.1194 / sq nm
Chart Statistics
17 largest layers shown
- Average features per layer
- 2.4
- Smallest layer
- 1
- Largest layer
- 8
- Area sq km
- 1,178
- Features per sq km
- 0.03481
- UNSARE 8
- DEPARE Depth area 4
- M_QUAL Data quality 4
- COALNE Coastline 3
- DEPCNT Depth contour 3
- SBDARE Seabed area 3
- SOUNDG Sounding 3
- LNDARE Land area 2
- LNDELV 2
- SLOGRD 2
- ADMARE 1
- CTRPNT 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SEAARE Sea area 1
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/US4AK5QZ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5QZ/1.0/US4AK5QZ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5QZ/1.0/US4AK5QZ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5QZ/1.0/US4AK5QZ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5QZ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 19, 2025 | metadata.json |