NOAA S-57 chart cell
Alaska
US4AK5IZ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,298
- S-57 layers
- 41
- Published
- Jan 7, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.80000° N
- South
- 55.50000° N
- West
- 133.20000° W
- East
- 132.60000° W
- Center
- 55.65000° N, 132.90000° W
- Bounds area
- 366 sq nm
- Feature density
- 6.2765 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 56
- Smallest layer
- 1
- Largest layer
- 495
- Area sq km
- 1,256
- Features per sq km
- 1.82994
- DEPCNT Depth contour 495
- DEPARE Depth area 389
- UWTROC Underwater rock 367
- LNDARE Land area 307
- COALNE Coastline 207
- SBDARE Seabed area 199
- SLCONS Shoreline construction 57
- OBSTRN Obstruction 42
- WEDKLP 42
- RIVERS River 36
- BUISGL 23
- SLOGRD 15
- SEAARE Sea area 11
- VEGATN 11
- LNDELV 10
- M_QUAL Data quality 10
- BOYLAT Lateral buoy 7
- PONTON 7
- DAYMAR 6
- LIGHTS Light 6
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/US4AK5IZ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5IZ/1.0/US4AK5IZ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5IZ/1.0/US4AK5IZ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5IZ/1.0/US4AK5IZ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5IZ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 7, 2025 | metadata.json |