NOAA S-57 chart cell
Cook Inlet
US4AK4QF
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 427
- S-57 layers
- 28
- Published
- Apr 1, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.00000° N
- South
- 59.70000° N
- West
- 153.00000° W
- East
- 152.40000° W
- Center
- 59.85000° N, 152.70000° W
- Bounds area
- 326 sq nm
- Feature density
- 1.3102 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 15.3
- Smallest layer
- 1
- Largest layer
- 103
- Area sq km
- 1,118
- Features per sq km
- 0.38199
- DEPCNT Depth contour 103
- UWTROC Underwater rock 99
- DEPARE Depth area 92
- SBDARE Seabed area 26
- COALNE Coastline 17
- RIVERS River 16
- LNDARE Land area 10
- OBSTRN Obstruction 10
- LNDRGN Land region 8
- LNDELV 7
- SOUNDG Sounding 7
- SEAARE Sea area 5
- M_QUAL Data quality 4
- CTNARE Caution area 3
- ICEARE 3
- MAGVAR Magnetic variation 3
- SNDWAV 2
- TESARE 2
- ADMARE 1
- CONZNE 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/US4AK4QF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4QF/1.0/US4AK4QF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4QF/1.0/US4AK4QF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4QF/1.0/US4AK4QF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4QF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 1, 2024 | metadata.json |