NOAA S-57 chart cell
Nushagak Bay
US4AK3XV
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 573
- S-57 layers
- 30
- Published
- Jun 3, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.80000° N
- South
- 58.50000° N
- West
- 159.00000° W
- East
- 158.40000° W
- Center
- 58.65000° N, 158.70000° W
- Bounds area
- 338 sq nm
- Feature density
- 1.6973 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 19.1
- Smallest layer
- 1
- Largest layer
- 184
- Area sq km
- 1,158
- Features per sq km
- 0.49487
- DEPCNT Depth contour 184
- DEPARE Depth area 165
- SBDARE Seabed area 41
- COALNE Coastline 33
- M_QUAL Data quality 33
- UNSARE 25
- RIVERS River 20
- LNDRGN Land region 16
- CTNARE Caution area 10
- SEAARE Sea area 10
- LNDARE Land area 6
- MAGVAR Magnetic variation 4
- SOUNDG Sounding 4
- UWTROC Underwater rock 3
- LIGHTS Light 2
- OBSTRN Obstruction 2
- SLOTOP 2
- ADMARE 1
- BCNSPP Special purpose beacon 1
- BUISGL 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/US4AK3XV.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK3XV/1.1/US4AK3XV.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK3XV/1.1/US4AK3XV.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3XV/1.1/US4AK3XV.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3XV/1.1/US4AK3XV.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3XV/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jun 3, 2025 | metadata.json |