NOAA S-57 chart cell
Akutan Pass and Vicinity
US4AK3II
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 347
- S-57 layers
- 32
- Published
- Aug 7, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 54.30000° N
- South
- 54.00000° N
- West
- 166.80000° W
- East
- 166.20000° W
- Center
- 54.15000° N, 166.50000° W
- Bounds area
- 380 sq nm
- Feature density
- 0.9131 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10.8
- Smallest layer
- 1
- Largest layer
- 73
- Area sq km
- 1,303
- Features per sq km
- 0.26622
- SBDARE Seabed area 73
- DEPCNT Depth contour 61
- DEPARE Depth area 56
- M_QUAL Data quality 24
- UWTROC Underwater rock 21
- LNDARE Land area 20
- COALNE Coastline 17
- WEDKLP 16
- SOUNDG Sounding 12
- LNDELV 9
- LNDRGN Land region 4
- OBSTRN Obstruction 4
- WATTUR 4
- SEAARE Sea area 3
- SLOGRD 3
- ADMARE 2
- CTNARE Caution area 2
- TESARE 2
- CBLARE 1
- CBLSUB 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/US4AK3II.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3II/1.0/US4AK3II.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3II/1.0/US4AK3II.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3II/1.0/US4AK3II.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3II/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 7, 2024 | metadata.json |