NOAA S-57 chart cell
Alaska
US4AK6UL
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 29
- S-57 layers
- 12
- Published
- Sep 20, 2019
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 65.70000° N
- South
- 65.40000° N
- West
- 167.40000° W
- East
- 166.80000° W
- Center
- 65.55000° N, 167.10000° W
- Bounds area
- 269 sq nm
- Feature density
- 0.108 / sq nm
Chart Statistics
12 largest layers shown
- Average features per layer
- 2.4
- Smallest layer
- 1
- Largest layer
- 11
- Area sq km
- 921
- Features per sq km
- 0.03148
- LNDELV 11
- COALNE Coastline 3
- DEPARE Depth area 2
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- RIVERS River 2
- SEAARE Sea area 2
- LNDARE Land area 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 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/US4AK6UL.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6UL/1.0/US4AK6UL.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6UL/1.0/US4AK6UL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6UL/1.0/US4AK6UL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6UL/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 20, 2019 | metadata.json |