NOAA S-57 chart cell
Cape Spencer, AK
US3AK1GW
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 8,895
- S-57 layers
- 62
- Published
- Mar 13, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.80000° N
- South
- 57.60000° N
- West
- 136.80000° W
- East
- 134.40000° W
- Center
- 58.20000° N, 135.60000° W
- Bounds area
- 5,471 sq nm
- Feature density
- 1.6259 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 143.5
- Smallest layer
- 1
- Largest layer
- 1,924
- Area sq km
- 18,764
- Features per sq km
- 0.47404
- COALNE Coastline 1,924
- UWTROC Underwater rock 1,548
- LNDARE Land area 1,299
- DEPCNT Depth contour 862
- DEPARE Depth area 768
- SBDARE Seabed area 446
- SLOGRD 437
- RIVERS River 418
- LNDELV 288
- SEAARE Sea area 134
- OBSTRN Obstruction 130
- LIGHTS Light 80
- LNDRGN Land region 77
- DAYMAR 70
- WEDKLP 46
- BCNSPP Special purpose beacon 45
- ICEARE 34
- SLCONS Shoreline construction 29
- BCNLAT Lateral beacon 27
- M_QUAL Data quality 24
Nearby Chart Cells
Coastal 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/US3AK1GW.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1GW/1.0/US3AK1GW.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1GW/1.0/US3AK1GW.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1GW/1.0/US3AK1GW.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1GW/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 13, 2026 | metadata.json |