NOAA S-57 chart cell
Gulf of Alaska
US4AK4RY
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 614
- S-57 layers
- 24
- Published
- Mar 12, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.30000° N
- South
- 60.00000° N
- West
- 141.60000° W
- East
- 141.00000° W
- Center
- 60.15000° N, 141.30000° W
- Bounds area
- 323 sq nm
- Feature density
- 1.9011 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 25.6
- Smallest layer
- 1
- Largest layer
- 169
- Area sq km
- 1,108
- Features per sq km
- 0.55428
- DEPCNT Depth contour 169
- DEPARE Depth area 155
- RIVERS River 73
- UWTROC Underwater rock 33
- COALNE Coastline 31
- OBSTRN Obstruction 26
- SBDARE Seabed area 24
- M_QUAL Data quality 22
- SLOTOP 18
- LNDARE Land area 11
- LNDELV 8
- ICEARE 7
- LAKARE 7
- UNSARE 7
- SEAARE Sea area 5
- SOUNDG Sounding 4
- CTNARE Caution area 3
- LNDRGN Land region 3
- M_NPUB 2
- MAGVAR Magnetic variation 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/US4AK4RY.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4RY/1.0/US4AK4RY.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4RY/1.0/US4AK4RY.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4RY/1.0/US4AK4RY.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4RY/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 12, 2024 | metadata.json |