NOAA S-57 chart cell
Kachemak Bay
US4AK4QI
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 335
- S-57 layers
- 21
- Published
- Jul 16, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.00000° N
- South
- 59.70000° N
- West
- 151.20000° W
- East
- 150.60000° W
- Center
- 59.85000° N, 150.90000° W
- Bounds area
- 326 sq nm
- Feature density
- 1.0279 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 16
- Smallest layer
- 1
- Largest layer
- 58
- Area sq km
- 1,118
- Features per sq km
- 0.29969
- RIVERS River 58
- COALNE Coastline 49
- DEPCNT Depth contour 45
- DEPARE Depth area 37
- UWTROC Underwater rock 35
- LNDARE Land area 28
- SBDARE Seabed area 23
- LNDELV 17
- SLOTOP 12
- SEAARE Sea area 7
- ICEARE 4
- MAGVAR Magnetic variation 4
- SLCONS Shoreline construction 4
- LNDRGN Land region 3
- M_QUAL Data quality 3
- CTNARE Caution area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- OBSTRN Obstruction 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/US4AK4QI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4QI/1.0/US4AK4QI.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4QI/1.0/US4AK4QI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4QI/1.0/US4AK4QI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4QI/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jul 16, 2025 | metadata.json |