NOAA S-57 chart cell
Andreanof Islands, AK
US4AK2DJ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 3,569
- S-57 layers
- 32
- Published
- Aug 14, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.20000° N
- South
- 51.90000° N
- West
- 174.60000° W
- East
- 174.00000° W
- Center
- 52.05000° N, 174.30000° W
- Bounds area
- 399 sq nm
- Feature density
- 8.9439 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 111.5
- Smallest layer
- 1
- Largest layer
- 778
- Area sq km
- 1,369
- Features per sq km
- 2.60764
- DEPCNT Depth contour 778
- DEPARE Depth area 642
- LNDARE Land area 569
- UWTROC Underwater rock 440
- SBDARE Seabed area 353
- COALNE Coastline 239
- LNDELV 132
- RIVERS River 118
- WEDKLP 100
- OBSTRN Obstruction 56
- WATTUR 31
- M_QUAL Data quality 22
- BUISGL 17
- SEAARE Sea area 16
- LNDRGN Land region 15
- SOUNDG Sounding 9
- LNDMRK 4
- M_NPUB 4
- MAGVAR Magnetic variation 4
- SLOTOP 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/US4AK2DJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK2DJ/1.0/US4AK2DJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK2DJ/1.0/US4AK2DJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK2DJ/1.0/US4AK2DJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK2DJ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 14, 2025 | metadata.json |