NOAA S-57 chart cell
Alaska
US4AK5LZ
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 1,972
- S-57 layers
- 46
- Published
- Jun 14, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.70000° N
- South
- 56.40000° N
- West
- 133.20000° W
- East
- 132.60000° W
- Center
- 56.55000° N, 132.90000° W
- Bounds area
- 358 sq nm
- Feature density
- 5.5135 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 42.9
- Smallest layer
- 1
- Largest layer
- 398
- Area sq km
- 1,227
- Features per sq km
- 1.60749
- DEPCNT Depth contour 398
- UWTROC Underwater rock 352
- DEPARE Depth area 349
- SBDARE Seabed area 211
- COALNE Coastline 120
- LNDARE Land area 116
- RIVERS River 83
- OBSTRN Obstruction 44
- SEAARE Sea area 41
- LNDRGN Land region 33
- M_QUAL Data quality 30
- DAYMAR 17
- LIGHTS Light 17
- SOUNDG Sounding 13
- BCNSPP Special purpose beacon 12
- LNDELV 12
- SLCONS Shoreline construction 11
- SLOGRD 11
- WEDKLP 11
- CTNARE Caution area 8
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/US4AK5LZ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5LZ/2.0/US4AK5LZ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5LZ/2.0/US4AK5LZ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5LZ/2.0/US4AK5LZ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5LZ/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 14, 2024 | metadata.json |