NOAA S-57 chart cell
Etolin Strait
US4AK6BQ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 38
- S-57 layers
- 15
- Published
- Mar 4, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.00000° N
- South
- 59.70000° N
- West
- 164.40000° W
- East
- 163.80000° W
- Center
- 59.85000° N, 164.10000° W
- Bounds area
- 326 sq nm
- Feature density
- 0.1166 / sq nm
Chart Statistics
15 largest layers shown
- Average features per layer
- 2.5
- Smallest layer
- 1
- Largest layer
- 7
- Area sq km
- 1,118
- Features per sq km
- 0.03399
- LNDARE Land area 7
- COALNE Coastline 6
- DEPARE Depth area 4
- ADMARE 3
- RIVERS River 3
- SEAARE Sea area 3
- BUAARE 2
- M_NPUB 2
- M_QUAL Data quality 2
- DEPCNT Depth contour 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- UWTROC Underwater rock 1
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/US4AK6BQ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK6BQ/1.0/US4AK6BQ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6BQ/1.0/US4AK6BQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6BQ/1.0/US4AK6BQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6BQ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 4, 2024 | metadata.json |