NOAA S-57 chart cell
Alaska
US4AK3MP
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 227
- S-57 layers
- 20
- Published
- Nov 29, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.50000° N
- South
- 55.20000° N
- West
- 162.60000° W
- East
- 162.00000° W
- Center
- 55.35000° N, 162.30000° W
- Bounds area
- 369 sq nm
- Feature density
- 0.6153 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 11.4
- Smallest layer
- 1
- Largest layer
- 39
- Area sq km
- 1,265
- Features per sq km
- 0.17939
- COALNE Coastline 39
- UWTROC Underwater rock 33
- DEPARE Depth area 29
- DEPCNT Depth contour 25
- RIVERS River 25
- LNDARE Land area 24
- SBDARE Seabed area 15
- SEAARE Sea area 9
- M_QUAL Data quality 7
- SOUNDG Sounding 6
- LNDRGN Land region 3
- MAGVAR Magnetic variation 3
- OBSTRN Obstruction 2
- CTNARE Caution area 1
- LAKARE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- RESARE 1
- WEDKLP 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/US4AK3MP.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3MP/1.0/US4AK3MP.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3MP/1.0/US4AK3MP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3MP/1.0/US4AK3MP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3MP/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Nov 29, 2023 | metadata.json |