NOAA S-57 chart cell
Alaska
US4AK5QG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 5,306
- S-57 layers
- 43
- Published
- Apr 22, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.20000° N
- South
- 57.90000° N
- West
- 136.80000° W
- East
- 136.20000° W
- Center
- 58.05000° N, 136.50000° W
- Bounds area
- 343 sq nm
- Feature density
- 15.4527 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 123.4
- Smallest layer
- 1
- Largest layer
- 1,756
- Area sq km
- 1,178
- Features per sq km
- 4.50528
- UWTROC Underwater rock 1,756
- COALNE Coastline 1,142
- DEPCNT Depth contour 542
- DEPARE Depth area 497
- LNDARE Land area 306
- SBDARE Seabed area 278
- OBSTRN Obstruction 141
- RIVERS River 120
- WEDKLP 69
- M_QUAL Data quality 56
- LNDELV 55
- SLOGRD 54
- SLOTOP 52
- BUISGL 32
- SLCONS Shoreline construction 32
- LNDRGN Land region 30
- SEAARE Sea area 24
- DAYMAR 15
- LIGHTS Light 15
- SOUNDG Sounding 14
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/US4AK5QG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5QG/1.0/US4AK5QG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5QG/1.0/US4AK5QG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5QG/1.0/US4AK5QG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5QG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 22, 2024 | metadata.json |