NOAA S-57 chart cell
Bechevin Bay and Bering Sea
US4AK3LN
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 580
- S-57 layers
- 34
- Published
- Jun 15, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.20000° N
- South
- 54.90000° N
- West
- 163.80000° W
- East
- 163.20000° W
- Center
- 55.05000° N, 163.50000° W
- Bounds area
- 372 sq nm
- Feature density
- 1.5603 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 17.1
- Smallest layer
- 1
- Largest layer
- 95
- Area sq km
- 1,275
- Features per sq km
- 0.45492
- DEPCNT Depth contour 95
- SBDARE Seabed area 92
- DEPARE Depth area 90
- COALNE Coastline 55
- UWTROC Underwater rock 30
- BOYLAT Lateral buoy 28
- OBSTRN Obstruction 21
- M_QUAL Data quality 19
- SEAARE Sea area 18
- LNDARE Land area 16
- LNDELV 14
- SNDWAV 13
- WEDKLP 13
- SOUNDG Sounding 12
- BUISGL 10
- RIVERS River 10
- SLOTOP 10
- LNDRGN Land region 9
- BCNLAT Lateral beacon 3
- DAYMAR 3
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/US4AK3LN.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK3LN/1.1/US4AK3LN.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK3LN/1.1/US4AK3LN.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3LN/1.1/US4AK3LN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3LN/1.1/US4AK3LN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3LN/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jun 15, 2026 | metadata.json |