NOAA S-57 chart cell
Cook Inlet
US4AK4TG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 162
- S-57 layers
- 20
- Published
- Apr 1, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.90000° N
- South
- 60.60000° N
- West
- 152.40000° W
- East
- 151.80000° W
- Center
- 60.75000° N, 152.10000° W
- Bounds area
- 317 sq nm
- Feature density
- 0.511 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8.1
- Smallest layer
- 1
- Largest layer
- 41
- Area sq km
- 1,087
- Features per sq km
- 0.14897
- RIVERS River 41
- DEPCNT Depth contour 40
- DEPARE Depth area 30
- SBDARE Seabed area 8
- SEAARE Sea area 7
- M_QUAL Data quality 6
- COALNE Coastline 5
- LNDRGN Land region 5
- LNDARE Land area 3
- SLOTOP 3
- SOUNDG Sounding 3
- MAGVAR Magnetic variation 2
- SILTNK 2
- CTNARE Caution area 1
- LNDELV 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- OBSTRN Obstruction 1
- UWTROC Underwater rock 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/US4AK4TG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4TG/1.0/US4AK4TG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4TG/1.0/US4AK4TG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4TG/1.0/US4AK4TG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4TG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 1, 2024 | metadata.json |