NOAA S-57 chart cell
Alaska
US4AK6IM
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 49
- S-57 layers
- 14
- Published
- Dec 22, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 62.10000° N
- South
- 61.80000° N
- West
- 166.80000° W
- East
- 166.20000° W
- Center
- 61.95000° N, 166.50000° W
- Bounds area
- 305 sq nm
- Feature density
- 0.1606 / sq nm
Chart Statistics
14 largest layers shown
- Average features per layer
- 3.5
- Smallest layer
- 1
- Largest layer
- 16
- Area sq km
- 1,047
- Features per sq km
- 0.04682
- DEPARE Depth area 16
- DEPCNT Depth contour 15
- M_NPUB 3
- M_QUAL Data quality 3
- SOUNDG Sounding 3
- ADMARE 1
- CONZNE 1
- CTNARE Caution area 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SBDARE Seabed area 1
- SEAARE Sea area 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/US4AK6IM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6IM/1.0/US4AK6IM.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6IM/1.0/US4AK6IM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6IM/1.0/US4AK6IM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6IM/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 22, 2023 | metadata.json |