NOAA S-57 chart cell
Alaska
US4AK7MN
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 703
- S-57 layers
- 31
- Published
- Feb 17, 2021
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 71.10000° N
- South
- 70.80000° N
- West
- 153.60000° W
- East
- 152.40000° W
- Center
- 70.95000° N, 153.00000° W
- Bounds area
- 424 sq nm
- Feature density
- 1.6597 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 22.7
- Smallest layer
- 1
- Largest layer
- 129
- Area sq km
- 1,453
- Features per sq km
- 0.48388
- COALNE Coastline 129
- LAKARE 113
- LNDRGN Land region 90
- DEPCNT Depth contour 66
- LNDARE Land area 65
- DEPARE Depth area 61
- SBDARE Seabed area 43
- SLOTOP 41
- SEAARE Sea area 23
- RIVERS River 16
- M_QUAL Data quality 10
- MAGVAR Magnetic variation 6
- CTNARE Caution area 5
- SILTNK 4
- SLOGRD 4
- DYKCON 3
- LNDMRK 3
- SOUNDG Sounding 3
- BUAARE 2
- BUISGL 2
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/US4AK7MN.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK7MN/2.0/US4AK7MN.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK7MN/2.0/US4AK7MN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK7MN/2.0/US4AK7MN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK7MN/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Feb 17, 2021 | metadata.json |