NOAA S-57 chart cell
Kuskokwim Bay to Bethel, Alaska
US4AK6CT
- Usage band
- Approach · code 4
- Current edition
- 1.5
- Features
- 490
- S-57 layers
- 20
- Published
- Sep 12, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.30000° N
- South
- 60.00000° N
- West
- 162.60000° W
- East
- 162.00000° W
- Center
- 60.15000° N, 162.30000° W
- Bounds area
- 323 sq nm
- Feature density
- 1.5172 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 24.5
- Smallest layer
- 1
- Largest layer
- 105
- Area sq km
- 1,108
- Features per sq km
- 0.44234
- RIVERS River 105
- DEPCNT Depth contour 104
- DEPARE Depth area 91
- COALNE Coastline 50
- SBDARE Seabed area 43
- LNDARE Land area 22
- M_QUAL Data quality 19
- LNDRGN Land region 11
- CBLSUB 10
- BOYLAT Lateral buoy 9
- UNSARE 8
- SEAARE Sea area 6
- SOUNDG Sounding 3
- SNDWAV 2
- WATTUR 2
- CTNARE Caution area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 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/US4AK6CT.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK6CT/1.5/US4AK6CT.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK6CT/1.5/US4AK6CT.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4AK6CT/1.5/US4AK6CT.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/approach/US4AK6CT/1.5/US4AK6CT.003
- S-57 update 004 https://charts.openships.ai/noaa/s57/approach/US4AK6CT/1.5/US4AK6CT.004
- S-57 update 005 https://charts.openships.ai/noaa/s57/approach/US4AK6CT/1.5/US4AK6CT.005
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6CT/1.5/US4AK6CT.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6CT/1.5/US4AK6CT.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6CT/1.5/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.5 | Sep 12, 2025 | metadata.json |