NOAA S-57 chart cell
Alaska
US4AK6SM
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 42
- S-57 layers
- 15
- Published
- Sep 20, 2019
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 65.10000° N
- South
- 64.80000° N
- West
- 166.80000° W
- East
- 166.20000° W
- Center
- 64.95000° N, 166.50000° W
- Bounds area
- 275 sq nm
- Feature density
- 0.1529 / sq nm
Chart Statistics
15 largest layers shown
- Average features per layer
- 2.8
- Smallest layer
- 1
- Largest layer
- 8
- Area sq km
- 942
- Features per sq km
- 0.04457
- COALNE Coastline 8
- LAKARE 8
- LNDELV 4
- LNDRGN Land region 4
- M_QUAL Data quality 4
- DEPARE Depth area 2
- LNDARE Land area 2
- RIVERS River 2
- SOUNDG Sounding 2
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SEAARE Sea area 1
- UNSARE 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/US4AK6SM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6SM/1.0/US4AK6SM.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6SM/1.0/US4AK6SM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6SM/1.0/US4AK6SM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6SM/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 20, 2019 | metadata.json |