NOAA S-57 chart cell
Sitka Sound, AK
US3AK1FW
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 8,883
- S-57 layers
- 51
- Published
- Mar 13, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.60000° N
- South
- 56.40000° N
- West
- 136.80000° W
- East
- 134.40000° W
- Center
- 57.00000° N, 135.60000° W
- Bounds area
- 5,654 sq nm
- Feature density
- 1.571 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 174.2
- Smallest layer
- 1
- Largest layer
- 2,042
- Area sq km
- 19,394
- Features per sq km
- 0.45803
- COALNE Coastline 2,042
- LNDARE Land area 1,643
- UWTROC Underwater rock 1,562
- DEPCNT Depth contour 984
- DEPARE Depth area 741
- SBDARE Seabed area 405
- SLOGRD 303
- OBSTRN Obstruction 268
- RIVERS River 192
- SEAARE Sea area 110
- LNDRGN Land region 91
- LIGHTS Light 68
- WEDKLP 67
- LNDELV 62
- DAYMAR 51
- M_QUAL Data quality 40
- LAKARE 30
- BCNLAT Lateral beacon 28
- BCNSPP Special purpose beacon 24
- BOYLAT Lateral buoy 23
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/US3AK1FW.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1FW/1.0/US3AK1FW.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1FW/1.0/US3AK1FW.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1FW/1.0/US3AK1FW.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1FW/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 13, 2026 | metadata.json |