NOAA S-57 chart cell
Cross Sound to Icy Bay, AK
US3AK1IU
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 114
- S-57 layers
- 21
- Published
- Aug 5, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 61.20000° N
- South
- 60.00000° N
- West
- 141.60000° W
- East
- 139.20000° W
- Center
- 60.60000° N, 140.40000° W
- Bounds area
- 5,096 sq nm
- Feature density
- 0.0224 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 5.4
- Smallest layer
- 1
- Largest layer
- 18
- Area sq km
- 17,480
- Features per sq km
- 0.00652
- SLOGRD 18
- COALNE Coastline 17
- ICEARE 16
- SLOTOP 16
- DEPARE Depth area 9
- DEPCNT Depth contour 5
- LNDELV 5
- M_QUAL Data quality 5
- MAGVAR Magnetic variation 4
- SEAARE Sea area 4
- CTNARE Caution area 2
- LNDARE Land area 2
- SOUNDG Sounding 2
- UNSARE 2
- ADMARE 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- RIVERS River 1
Nearby Chart Cells
Coastal 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/US3AK1IU.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1IU/1.0/US3AK1IU.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1IU/1.0/US3AK1IU.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1IU/1.0/US3AK1IU.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1IU/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 5, 2025 | metadata.json |