NOAA S-57 chart cell
Alaska
US4AK5KO
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,248
- S-57 layers
- 31
- Published
- May 17, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.40000° N
- South
- 56.10000° N
- West
- 132.00000° W
- East
- 131.40000° W
- Center
- 56.25000° N, 131.70000° W
- Bounds area
- 360 sq nm
- Feature density
- 3.4619 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 40.3
- Smallest layer
- 1
- Largest layer
- 323
- Area sq km
- 1,236
- Features per sq km
- 1.00933
- DEPCNT Depth contour 323
- DEPARE Depth area 313
- SBDARE Seabed area 173
- COALNE Coastline 142
- RIVERS River 113
- UWTROC Underwater rock 55
- SLOTOP 35
- LNDRGN Land region 21
- LNDARE Land area 20
- VEGATN 11
- M_QUAL Data quality 9
- BUISGL 4
- SEAARE Sea area 4
- SOUNDG Sounding 3
- UNSARE 3
- OFSPLF 2
- SLCONS Shoreline construction 2
- SLOGRD 2
- BCNLAT Lateral beacon 1
- CBLARE 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/US4AK5KO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5KO/1.0/US4AK5KO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5KO/1.0/US4AK5KO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5KO/1.0/US4AK5KO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5KO/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 17, 2024 | metadata.json |