NOAA S-57 chart cell
Alaska
US4AK5QF
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 72
- S-57 layers
- 15
- Published
- Apr 22, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.20000° N
- South
- 57.90000° N
- West
- 137.40000° W
- East
- 136.80000° W
- Center
- 58.05000° N, 137.10000° W
- Bounds area
- 343 sq nm
- Feature density
- 0.2097 / sq nm
Chart Statistics
15 largest layers shown
- Average features per layer
- 4.8
- Smallest layer
- 1
- Largest layer
- 42
- Area sq km
- 1,178
- Features per sq km
- 0.06113
- SBDARE Seabed area 42
- DEPARE Depth area 7
- DEPCNT Depth contour 5
- SOUNDG Sounding 3
- CBLSUB 2
- M_NPUB 2
- M_QUAL Data quality 2
- SEAARE Sea area 2
- ADMARE 1
- CONZNE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- TESARE 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/US4AK5QF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5QF/1.0/US4AK5QF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5QF/1.0/US4AK5QF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5QF/1.0/US4AK5QF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5QF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 22, 2024 | metadata.json |