NOAA S-57 chart cell
Kachemak Bay
US4AK4PI
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 535
- S-57 layers
- 28
- Published
- Jul 16, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.70000° N
- South
- 59.40000° N
- West
- 151.20000° W
- East
- 150.60000° W
- Center
- 59.55000° N, 150.90000° W
- Bounds area
- 329 sq nm
- Feature density
- 1.6269 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 19.1
- Smallest layer
- 1
- Largest layer
- 100
- Area sq km
- 1,128
- Features per sq km
- 0.47434
- UWTROC Underwater rock 100
- DEPARE Depth area 79
- DEPCNT Depth contour 78
- COALNE Coastline 56
- LNDELV 51
- RIVERS River 34
- LNDARE Land area 20
- SBDARE Seabed area 19
- SEAARE Sea area 17
- ICEARE 11
- M_QUAL Data quality 11
- SLOTOP 11
- LNDRGN Land region 10
- OBSTRN Obstruction 5
- SOUNDG Sounding 5
- WEDKLP 5
- SLCONS Shoreline construction 4
- LAKARE 3
- MAGVAR Magnetic variation 3
- MORFAC 3
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/US4AK4PI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4PI/1.0/US4AK4PI.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4PI/1.0/US4AK4PI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4PI/1.0/US4AK4PI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4PI/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jul 16, 2025 | metadata.json |