NOAA S-57 chart cell
Near Islands, AK
US4AK1EP
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,967
- S-57 layers
- 32
- Published
- Mar 7, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.50000° N
- South
- 52.20000° N
- West
- 173.40000° E
- East
- 174.00000° E
- Center
- 52.35000° N, 173.70000° E
- Bounds area
- 396 sq nm
- Feature density
- 7.4857 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 92.7
- Smallest layer
- 1
- Largest layer
- 808
- Area sq km
- 1,359
- Features per sq km
- 2.18248
- COALNE Coastline 808
- LNDARE Land area 722
- DEPCNT Depth contour 408
- DEPARE Depth area 292
- UWTROC Underwater rock 259
- SBDARE Seabed area 206
- RIVERS River 77
- OBSTRN Obstruction 52
- LNDELV 46
- WEDKLP 15
- SEAARE Sea area 14
- SLOTOP 12
- SLOGRD 11
- SOUNDG Sounding 10
- LNDRGN Land region 6
- M_QUAL Data quality 5
- SLCONS Shoreline construction 4
- MAGVAR Magnetic variation 3
- WATTUR 3
- ADMARE 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/US4AK1EP.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK1EP/1.0/US4AK1EP.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK1EP/1.0/US4AK1EP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK1EP/1.0/US4AK1EP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK1EP/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 7, 2024 | metadata.json |