NOAA S-57 chart cell
Dolgoi Island
US4AK3LQ
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 3,519
- S-57 layers
- 36
- Published
- Sep 12, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.20000° N
- South
- 54.90000° N
- West
- 162.00000° W
- East
- 161.40000° W
- Center
- 55.05000° N, 161.70000° W
- Bounds area
- 372 sq nm
- Feature density
- 9.4669 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 97.8
- Smallest layer
- 1
- Largest layer
- 960
- Area sq km
- 1,275
- Features per sq km
- 2.76011
- DEPCNT Depth contour 960
- DEPARE Depth area 901
- UWTROC Underwater rock 494
- SBDARE Seabed area 310
- WEDKLP 254
- LNDARE Land area 178
- COALNE Coastline 162
- RIVERS River 71
- OBSTRN Obstruction 54
- M_QUAL Data quality 32
- LNDELV 26
- LNDRGN Land region 8
- SOUNDG Sounding 8
- SWPARE 8
- WATTUR 7
- LIGHTS Light 5
- SLOTOP 5
- BOYLAT Lateral buoy 4
- SEAARE Sea area 4
- SLOGRD 4
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/US4AK3LQ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3LQ/2.0/US4AK3LQ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3LQ/2.0/US4AK3LQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3LQ/2.0/US4AK3LQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3LQ/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Sep 12, 2025 | metadata.json |