NOAA S-57 chart cell
Andreanof Islands, AK
US4AK2EJ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,925
- S-57 layers
- 34
- Published
- Aug 14, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.50000° N
- South
- 52.20000° N
- West
- 174.60000° W
- East
- 174.00000° W
- Center
- 52.35000° N, 174.30000° W
- Bounds area
- 396 sq nm
- Feature density
- 4.8567 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 56.6
- Smallest layer
- 1
- Largest layer
- 426
- Area sq km
- 1,359
- Features per sq km
- 1.416
- DEPCNT Depth contour 426
- LNDARE Land area 342
- DEPARE Depth area 328
- UWTROC Underwater rock 228
- SBDARE Seabed area 212
- COALNE Coastline 169
- LNDELV 52
- RIVERS River 38
- OBSTRN Obstruction 34
- WEDKLP 17
- M_QUAL Data quality 14
- LNDRGN Land region 9
- SLOTOP 9
- SEAARE Sea area 8
- SOUNDG Sounding 8
- M_NPUB 4
- SLCONS Shoreline construction 4
- UNSARE 3
- BUISGL 2
- LAKARE 2
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/US4AK2EJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK2EJ/1.0/US4AK2EJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK2EJ/1.0/US4AK2EJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK2EJ/1.0/US4AK2EJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK2EJ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 14, 2025 | metadata.json |