NOAA S-57 chart cell
Alaska
US4AK7CC
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 36
- S-57 layers
- 18
- Published
- Apr 7, 2021
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 68.10000° N
- South
- 67.80000° N
- West
- 166.80000° W
- East
- 165.60000° W
- Center
- 67.95000° N, 166.20000° W
- Bounds area
- 487 sq nm
- Feature density
- 0.0739 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 2
- Smallest layer
- 1
- Largest layer
- 7
- Area sq km
- 1,671
- Features per sq km
- 0.02154
- DEPARE Depth area 7
- DEPCNT Depth contour 5
- MAGVAR Magnetic variation 3
- SOUNDG Sounding 3
- COALNE Coastline 2
- LNDARE Land area 2
- M_NPUB 2
- SBDARE Seabed area 2
- ADMARE 1
- CBLSUB 1
- CONZNE 1
- EXEZNE 1
- LAKARE 1
- M_COVR Coverage 1
- M_NSYS 1
- M_QUAL Data quality 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/US4AK7CC.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK7CC/1.1/US4AK7CC.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK7CC/1.1/US4AK7CC.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK7CC/1.1/US4AK7CC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK7CC/1.1/US4AK7CC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK7CC/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Apr 7, 2021 | metadata.json |