NOAA S-57 chart cell
Ugak Bay and Kiliuda Bay, AK
US4AK4IE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 270
- S-57 layers
- 22
- Published
- Aug 1, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.60000° N
- South
- 57.30000° N
- West
- 153.60000° W
- East
- 153.00000° W
- Center
- 57.45000° N, 153.30000° W
- Bounds area
- 349 sq nm
- Feature density
- 0.7734 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 12.3
- Smallest layer
- 1
- Largest layer
- 42
- Area sq km
- 1,197
- Features per sq km
- 0.22548
- DEPARE Depth area 42
- DEPCNT Depth contour 38
- RIVERS River 38
- COALNE Coastline 37
- UWTROC Underwater rock 30
- LNDELV 23
- LNDARE Land area 18
- SBDARE Seabed area 12
- M_QUAL Data quality 5
- SEAARE Sea area 5
- WEDKLP 4
- CTNARE Caution area 3
- LNDRGN Land region 3
- MAGVAR Magnetic variation 2
- SLCONS Shoreline construction 2
- SOUNDG Sounding 2
- LAKARE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US4AK4IE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4IE/1.0/US4AK4IE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4IE/1.0/US4AK4IE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4IE/1.0/US4AK4IE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4IE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 1, 2025 | metadata.json |