NOAA S-57 chart cell
Port Moller
US4AK3OS
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 724
- S-57 layers
- 32
- Published
- Jun 5, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.10000° N
- South
- 55.80000° N
- West
- 160.80000° W
- East
- 160.20000° W
- Center
- 55.95000° N, 160.50000° W
- Bounds area
- 363 sq nm
- Feature density
- 1.9928 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 22.6
- Smallest layer
- 1
- Largest layer
- 176
- Area sq km
- 1,246
- Features per sq km
- 0.581
- DEPCNT Depth contour 176
- DEPARE Depth area 161
- COALNE Coastline 79
- SBDARE Seabed area 77
- M_QUAL Data quality 56
- RIVERS River 46
- LNDARE Land area 24
- SNDWAV 20
- SLOTOP 12
- LNDRGN Land region 11
- BOYLAT Lateral buoy 8
- SEAARE Sea area 8
- SOUNDG Sounding 8
- BUISGL 7
- UWTROC Underwater rock 7
- SLCONS Shoreline construction 4
- MAGVAR Magnetic variation 3
- OBSTRN Obstruction 3
- ADMARE 1
- BCNLAT Lateral beacon 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/US4AK3OS.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3OS/2.0/US4AK3OS.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3OS/2.0/US4AK3OS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3OS/2.0/US4AK3OS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3OS/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 5, 2026 | metadata.json |