NOAA S-57 chart cell
Yantarni Bay to Chiginagak Bay
US4AK3RY
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,644
- S-57 layers
- 22
- Published
- Apr 10, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.00000° N
- South
- 56.70000° N
- West
- 157.20000° W
- East
- 156.60000° W
- Center
- 56.85000° N, 156.90000° W
- Bounds area
- 355 sq nm
- Feature density
- 4.6333 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 74.7
- Smallest layer
- 1
- Largest layer
- 408
- Area sq km
- 1,217
- Features per sq km
- 1.35084
- DEPCNT Depth contour 408
- DEPARE Depth area 399
- UWTROC Underwater rock 354
- SBDARE Seabed area 215
- COALNE Coastline 76
- LNDARE Land area 73
- WEDKLP 40
- RIVERS River 20
- OBSTRN Obstruction 13
- M_QUAL Data quality 12
- LNDELV 7
- LNDRGN Land region 7
- SEAARE Sea area 7
- ADMARE 2
- CTNARE Caution area 2
- LNDMRK 2
- SOUNDG Sounding 2
- 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/US4AK3RY.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3RY/1.0/US4AK3RY.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3RY/1.0/US4AK3RY.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3RY/1.0/US4AK3RY.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3RY/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 10, 2024 | metadata.json |