NOAA S-57 chart cell
Andreanof Islands, AK
US4AK2DL
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 215
- S-57 layers
- 20
- Published
- Feb 12, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.20000° N
- South
- 51.90000° N
- West
- 173.40000° W
- East
- 172.80000° W
- Center
- 52.05000° N, 173.10000° W
- Bounds area
- 399 sq nm
- Feature density
- 0.5388 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10.8
- Smallest layer
- 1
- Largest layer
- 51
- Area sq km
- 1,369
- Features per sq km
- 0.15709
- UWTROC Underwater rock 51
- DEPARE Depth area 33
- LNDARE Land area 23
- M_QUAL Data quality 23
- RIVERS River 18
- DEPCNT Depth contour 16
- OBSTRN Obstruction 14
- COALNE Coastline 11
- SEAARE Sea area 5
- LNDELV 4
- SOUNDG Sounding 3
- MAGVAR Magnetic variation 2
- RESARE 2
- SBDARE Seabed area 2
- UNSARE 2
- WATTUR 2
- LNDRGN Land region 1
- 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/US4AK2DL.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK2DL/1.0/US4AK2DL.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK2DL/1.0/US4AK2DL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK2DL/1.0/US4AK2DL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK2DL/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Feb 12, 2024 | metadata.json |