NOAA S-57 chart cell
Cook Inlet
US4AK4NE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 442
- S-57 layers
- 22
- Published
- Apr 1, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.10000° N
- South
- 58.80000° N
- West
- 153.60000° W
- East
- 153.00000° W
- Center
- 58.95000° N, 153.30000° W
- Bounds area
- 335 sq nm
- Feature density
- 1.3207 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 20.1
- Smallest layer
- 1
- Largest layer
- 130
- Area sq km
- 1,148
- Features per sq km
- 0.38504
- DEPCNT Depth contour 130
- DEPARE Depth area 119
- SBDARE Seabed area 73
- UWTROC Underwater rock 57
- RIVERS River 11
- LNDARE Land area 9
- COALNE Coastline 8
- LNDELV 8
- SEAARE Sea area 4
- ICEARE 3
- M_QUAL Data quality 3
- MAGVAR Magnetic variation 3
- OBSTRN Obstruction 3
- SOUNDG Sounding 3
- ADMARE 1
- CONZNE 1
- EXEZNE 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 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/US4AK4NE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4NE/1.0/US4AK4NE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4NE/1.0/US4AK4NE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4NE/1.0/US4AK4NE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4NE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 1, 2024 | metadata.json |