NOAA S-57 chart cell
Amukta Pass to Unalaska Island, AK
US4AK3EE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,690
- S-57 layers
- 27
- Published
- Jan 24, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 53.10000° N
- South
- 52.80000° N
- West
- 169.20000° W
- East
- 168.60000° W
- Center
- 52.95000° N, 168.90000° W
- Bounds area
- 391 sq nm
- Feature density
- 6.8806 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 99.6
- Smallest layer
- 1
- Largest layer
- 622
- Area sq km
- 1,341
- Features per sq km
- 2.00606
- LNDARE Land area 622
- UWTROC Underwater rock 492
- DEPCNT Depth contour 353
- DEPARE Depth area 297
- WEDKLP 290
- COALNE Coastline 235
- SBDARE Seabed area 214
- LNDELV 40
- RIVERS River 29
- SLOTOP 29
- OBSTRN Obstruction 22
- LNDRGN Land region 11
- SEAARE Sea area 11
- BUISGL 10
- M_QUAL Data quality 8
- WATTUR 7
- SOUNDG Sounding 5
- M_NPUB 3
- MAGVAR Magnetic variation 3
- SLOGRD 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/US4AK3EE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3EE/1.0/US4AK3EE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3EE/1.0/US4AK3EE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3EE/1.0/US4AK3EE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3EE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 24, 2024 | metadata.json |