NOAA S-57 chart cell
Cook Inlet
US4AK4PG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 308
- S-57 layers
- 30
- Published
- Jul 16, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.70000° N
- South
- 59.40000° N
- West
- 152.40000° W
- East
- 151.80000° W
- Center
- 59.55000° N, 152.10000° W
- Bounds area
- 329 sq nm
- Feature density
- 0.9366 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10.3
- Smallest layer
- 1
- Largest layer
- 84
- Area sq km
- 1,128
- Features per sq km
- 0.27308
- DEPCNT Depth contour 84
- DEPARE Depth area 76
- SBDARE Seabed area 63
- UWTROC Underwater rock 27
- COALNE Coastline 8
- M_QUAL Data quality 8
- SOUNDG Sounding 7
- CBLSUB 4
- LNDARE Land area 3
- MAGVAR Magnetic variation 3
- LIGHTS Light 2
- LNDRGN Land region 2
- OBSTRN Obstruction 2
- PILPNT 2
- SEAARE Sea area 2
- ADMARE 1
- BCNSPP Special purpose beacon 1
- BOYSPP Special purpose buoy 1
- CONZNE 1
- CTNARE Caution area 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/US4AK4PG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4PG/1.0/US4AK4PG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4PG/1.0/US4AK4PG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4PG/1.0/US4AK4PG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4PG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jul 16, 2025 | metadata.json |