NOAA S-57 chart cell
Alaska
US4AK6AU
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 106
- S-57 layers
- 19
- Published
- Sep 19, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.70000° N
- South
- 59.40000° N
- West
- 162.00000° W
- East
- 161.40000° W
- Center
- 59.55000° N, 161.70000° W
- Bounds area
- 329 sq nm
- Feature density
- 0.3223 / sq nm
Chart Statistics
19 largest layers shown
- Average features per layer
- 5.6
- Smallest layer
- 1
- Largest layer
- 23
- Area sq km
- 1,128
- Features per sq km
- 0.09398
- SLOGRD 23
- LNDELV 19
- COALNE Coastline 11
- DEPARE Depth area 11
- DEPCNT Depth contour 10
- RIVERS River 8
- SLOTOP 6
- LNDARE Land area 3
- LNDRGN Land region 2
- MAGVAR Magnetic variation 2
- SEAARE Sea area 2
- SOUNDG Sounding 2
- ADMARE 1
- LAKARE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 1
- SBDARE Seabed 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/US4AK6AU.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6AU/1.0/US4AK6AU.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6AU/1.0/US4AK6AU.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6AU/1.0/US4AK6AU.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6AU/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 19, 2023 | metadata.json |