NOAA S-57 chart cell
Stephens Passage, AK
US3AK1GX
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 2,646
- S-57 layers
- 49
- Published
- Mar 13, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.80000° N
- South
- 57.60000° N
- West
- 134.40000° W
- East
- 132.00000° W
- Center
- 58.20000° N, 133.20000° W
- Bounds area
- 5,471 sq nm
- Feature density
- 0.4837 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 54
- Smallest layer
- 1
- Largest layer
- 535
- Area sq km
- 18,764
- Features per sq km
- 0.14101
- COALNE Coastline 535
- UWTROC Underwater rock 339
- DEPCNT Depth contour 319
- DEPARE Depth area 303
- SLOGRD 242
- LNDARE Land area 191
- RIVERS River 178
- LNDELV 175
- SBDARE Seabed area 78
- LNDRGN Land region 42
- SEAARE Sea area 30
- OBSTRN Obstruction 25
- M_QUAL Data quality 23
- CTRPNT 15
- ICEARE 15
- LIGHTS Light 14
- DAYMAR 13
- LAKARE 13
- BCNSPP Special purpose beacon 12
- SLOTOP 12
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/US3AK1GX.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1GX/1.0/US3AK1GX.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1GX/1.0/US3AK1GX.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1GX/1.0/US3AK1GX.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1GX/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 13, 2026 | metadata.json |