NOAA S-57 chart cell
Cook Inlet
US4AK4QG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 316
- S-57 layers
- 31
- Published
- Apr 1, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.00000° N
- South
- 59.70000° N
- West
- 152.40000° W
- East
- 151.80000° W
- Center
- 59.85000° N, 152.10000° W
- Bounds area
- 326 sq nm
- Feature density
- 0.9696 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10.2
- Smallest layer
- 1
- Largest layer
- 75
- Area sq km
- 1,118
- Features per sq km
- 0.28269
- DEPARE Depth area 75
- DEPCNT Depth contour 73
- UWTROC Underwater rock 44
- SBDARE Seabed area 34
- COALNE Coastline 17
- M_QUAL Data quality 13
- OBSTRN Obstruction 7
- RIVERS River 7
- SNDWAV 7
- LNDRGN Land region 5
- SOUNDG Sounding 5
- LNDELV 3
- SEAARE Sea area 3
- SLOTOP 3
- ADMARE 2
- CTNARE Caution area 2
- TESARE 2
- AIRARE 1
- BCNSPP Special purpose beacon 1
- BUISGL 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/US4AK4QG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4QG/1.0/US4AK4QG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4QG/1.0/US4AK4QG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4QG/1.0/US4AK4QG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4QG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 1, 2024 | metadata.json |