NOAA S-57 chart cell
Bristol Bay to Kuskokwim Bay
US4AK3XQ
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 439
- S-57 layers
- 23
- Published
- Jun 11, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.80000° N
- South
- 58.50000° N
- West
- 162.00000° W
- East
- 161.40000° W
- Center
- 58.65000° N, 161.70000° W
- Bounds area
- 338 sq nm
- Feature density
- 1.3004 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 19.1
- Smallest layer
- 1
- Largest layer
- 88
- Area sq km
- 1,158
- Features per sq km
- 0.37914
- DEPCNT Depth contour 88
- DEPARE Depth area 77
- SBDARE Seabed area 59
- UWTROC Underwater rock 55
- COALNE Coastline 51
- LNDARE Land area 40
- M_QUAL Data quality 11
- RIVERS River 9
- LNDRGN Land region 7
- SOUNDG Sounding 7
- SEAARE Sea area 6
- SNDWAV 6
- OBSTRN Obstruction 5
- ADMARE 3
- CTNARE Caution area 3
- LAKARE 3
- LNDELV 3
- LNDMRK 1
- M_COVR Coverage 1
- M_NPUB 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/US4AK3XQ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3XQ/2.0/US4AK3XQ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3XQ/2.0/US4AK3XQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3XQ/2.0/US4AK3XQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3XQ/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 11, 2026 | metadata.json |