NOAA S-57 chart cell
Cook Inlet and Augustine Island
US4AK4OE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 572
- S-57 layers
- 22
- Published
- Apr 2, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.40000° N
- South
- 59.10000° N
- West
- 153.60000° W
- East
- 153.00000° W
- Center
- 59.25000° N, 153.30000° W
- Bounds area
- 332 sq nm
- Feature density
- 1.7241 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 26
- Smallest layer
- 1
- Largest layer
- 234
- Area sq km
- 1,138
- Features per sq km
- 0.50267
- UWTROC Underwater rock 234
- DEPCNT Depth contour 98
- DEPARE Depth area 95
- RIVERS River 40
- SBDARE Seabed area 37
- LNDARE Land area 16
- M_QUAL Data quality 15
- COALNE Coastline 14
- SOUNDG Sounding 4
- MAGVAR Magnetic variation 3
- OBSTRN Obstruction 3
- ADMARE 2
- SEAARE Sea area 2
- CONZNE 1
- EXEZNE 1
- LAKARE 1
- LNDELV 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/US4AK4OE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4OE/1.0/US4AK4OE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4OE/1.0/US4AK4OE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4OE/1.0/US4AK4OE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4OE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 2, 2024 | metadata.json |