NOAA S-57 chart cell
Alaska
US4AK5MN
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 231
- S-57 layers
- 23
- Published
- May 17, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.00000° N
- South
- 56.70000° N
- West
- 132.60000° W
- East
- 132.00000° W
- Center
- 56.85000° N, 132.30000° W
- Bounds area
- 355 sq nm
- Feature density
- 0.651 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10
- Smallest layer
- 1
- Largest layer
- 57
- Area sq km
- 1,217
- Features per sq km
- 0.18981
- DEPCNT Depth contour 57
- DEPARE Depth area 53
- SBDARE Seabed area 44
- LNDELV 22
- UWTROC Underwater rock 13
- RIVERS River 5
- BUISGL 4
- COALNE Coastline 4
- LNDRGN Land region 4
- M_QUAL Data quality 4
- MAGVAR Magnetic variation 4
- SEAARE Sea area 3
- LNDARE Land area 2
- SLOGRD 2
- SOUNDG Sounding 2
- CTNARE Caution area 1
- ICEARE 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/US4AK5MN.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5MN/1.0/US4AK5MN.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5MN/1.0/US4AK5MN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5MN/1.0/US4AK5MN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5MN/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 17, 2024 | metadata.json |