NOAA S-57 chart cell
Kashvik Bay and Katmai Bay
US4AK4KB
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 301
- S-57 layers
- 22
- Published
- Apr 10, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.20000° N
- South
- 57.90000° N
- West
- 155.40000° W
- East
- 154.80000° W
- Center
- 58.05000° N, 155.10000° W
- Bounds area
- 343 sq nm
- Feature density
- 0.8766 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.7
- Smallest layer
- 1
- Largest layer
- 75
- Area sq km
- 1,178
- Features per sq km
- 0.25558
- DEPARE Depth area 75
- DEPCNT Depth contour 75
- RIVERS River 43
- SBDARE Seabed area 24
- UWTROC Underwater rock 23
- SLOGRD 18
- COALNE Coastline 8
- LNDELV 7
- CTNARE Caution area 4
- LNDRGN Land region 4
- LNDARE Land area 3
- M_QUAL Data quality 3
- SEAARE Sea area 3
- BUAARE 2
- OBSTRN Obstruction 2
- ADMARE 1
- LNDMRK 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US4AK4KB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4KB/1.0/US4AK4KB.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4KB/1.0/US4AK4KB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4KB/1.0/US4AK4KB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4KB/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 10, 2024 | metadata.json |