NOAA S-57 chart cell
Kvichak Bay to Kvichak River
US4AK3YY
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 189
- S-57 layers
- 24
- Published
- Oct 12, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.10000° N
- South
- 58.80000° N
- West
- 157.20000° W
- East
- 156.60000° W
- Center
- 58.95000° N, 156.90000° W
- Bounds area
- 335 sq nm
- Feature density
- 0.5647 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7.9
- Smallest layer
- 1
- Largest layer
- 35
- Area sq km
- 1,148
- Features per sq km
- 0.16465
- DEPARE Depth area 35
- DEPCNT Depth contour 35
- RIVERS River 27
- COALNE Coastline 21
- SBDARE Seabed area 12
- LNDRGN Land region 8
- SLOTOP 8
- LNDARE Land area 7
- SEAARE Sea area 6
- SILTNK 6
- BUAARE 3
- BUISGL 3
- MAGVAR Magnetic variation 3
- LNDMRK 2
- M_QUAL Data quality 2
- SLCONS Shoreline construction 2
- SOUNDG Sounding 2
- BCNSPP Special purpose beacon 1
- CTNARE Caution area 1
- LIGHTS Light 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/US4AK3YY.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3YY/1.0/US4AK3YY.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3YY/1.0/US4AK3YY.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3YY/1.0/US4AK3YY.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3YY/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 12, 2023 | metadata.json |