NOAA S-57 chart cell
Alaska
US4AK6HN
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 215
- S-57 layers
- 23
- Published
- Dec 22, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 61.80000° N
- South
- 61.50000° N
- West
- 166.20000° W
- East
- 165.60000° W
- Center
- 61.65000° N, 165.90000° W
- Bounds area
- 308 sq nm
- Feature density
- 0.6978 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.3
- Smallest layer
- 1
- Largest layer
- 43
- Area sq km
- 1,057
- Features per sq km
- 0.20344
- DEPARE Depth area 43
- DEPCNT Depth contour 39
- RIVERS River 19
- LNDRGN Land region 18
- SBDARE Seabed area 17
- COALNE Coastline 16
- M_QUAL Data quality 14
- LNDELV 13
- LNDARE Land area 8
- SEAARE Sea area 5
- M_NPUB 4
- CTNARE Caution area 3
- UWTROC Underwater rock 3
- MAGVAR Magnetic variation 2
- SOUNDG Sounding 2
- WATTUR 2
- BUAARE 1
- LNDMRK 1
- M_COVR Coverage 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/US4AK6HN.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6HN/1.0/US4AK6HN.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6HN/1.0/US4AK6HN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6HN/1.0/US4AK6HN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6HN/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 22, 2023 | metadata.json |