NOAA S-57 chart cell
Alaska
US4AK6UK
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 139
- S-57 layers
- 24
- Published
- Apr 28, 2021
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 65.70000° N
- South
- 65.40000° N
- West
- 168.00000° W
- East
- 167.40000° W
- Center
- 65.55000° N, 167.70000° W
- Bounds area
- 269 sq nm
- Feature density
- 0.5176 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 5.8
- Smallest layer
- 1
- Largest layer
- 33
- Area sq km
- 921
- Features per sq km
- 0.1509
- COALNE Coastline 33
- RIVERS River 23
- DEPARE Depth area 15
- DEPCNT Depth contour 10
- LNDARE Land area 8
- LAKARE 7
- M_QUAL Data quality 7
- LNDELV 5
- LNDRGN Land region 5
- SLOTOP 4
- MAGVAR Magnetic variation 3
- SEAARE Sea area 3
- BUAARE 2
- OBSTRN Obstruction 2
- SOUNDG Sounding 2
- UWTROC Underwater rock 2
- CTNARE Caution area 1
- LNDMRK 1
- M_COVR Coverage 1
- M_NPUB 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/US4AK6UK.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK6UK/1.1/US4AK6UK.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK6UK/1.1/US4AK6UK.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6UK/1.1/US4AK6UK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6UK/1.1/US4AK6UK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6UK/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Apr 28, 2021 | metadata.json |