NOAA S-57 chart cell
Belkofski Bay
US4AK3LP
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 2,172
- S-57 layers
- 42
- Published
- Aug 14, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.20000° N
- South
- 54.90000° N
- West
- 162.60000° W
- East
- 162.00000° W
- Center
- 55.05000° N, 162.30000° W
- Bounds area
- 372 sq nm
- Feature density
- 5.8432 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 51.7
- Smallest layer
- 1
- Largest layer
- 429
- Area sq km
- 1,275
- Features per sq km
- 1.7036
- DEPARE Depth area 429
- DEPCNT Depth contour 383
- UWTROC Underwater rock 292
- COALNE Coastline 222
- SBDARE Seabed area 200
- LNDARE Land area 161
- WEDKLP 151
- RIVERS River 88
- LNDELV 61
- M_QUAL Data quality 27
- OBSTRN Obstruction 19
- SEAARE Sea area 17
- LNDRGN Land region 12
- SLCONS Shoreline construction 12
- BUISGL 10
- SLOTOP 10
- LIGHTS Light 9
- SOUNDG Sounding 9
- DAYMAR 6
- PONTON 6
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/US4AK3LP.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3LP/2.0/US4AK3LP.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3LP/2.0/US4AK3LP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3LP/2.0/US4AK3LP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3LP/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Aug 14, 2025 | metadata.json |