NOAA S-57 chart cell
Clarence Strait to Nichols Passage
US4AK5GO
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 7,090
- S-57 layers
- 50
- Published
- Feb 27, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.20000° N
- South
- 54.90000° N
- West
- 132.00000° W
- East
- 131.40000° W
- Center
- 55.05000° N, 131.70000° W
- Bounds area
- 372 sq nm
- Feature density
- 19.0737 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 141.8
- Smallest layer
- 1
- Largest layer
- 1,627
- Area sq km
- 1,275
- Features per sq km
- 5.56101
- DEPCNT Depth contour 1,627
- DEPARE Depth area 1,491
- SBDARE Seabed area 1,403
- UWTROC Underwater rock 891
- LNDARE Land area 586
- COALNE Coastline 390
- OBSTRN Obstruction 126
- RIVERS River 80
- WEDKLP 79
- LNDRGN Land region 49
- M_QUAL Data quality 49
- SLCONS Shoreline construction 38
- SEAARE Sea area 37
- BUISGL 30
- SLOGRD 22
- LIGHTS Light 20
- LNDELV 19
- SOUNDG Sounding 17
- PILPNT 15
- DAYMAR 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/US4AK5GO.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK5GO/1.2/US4AK5GO.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK5GO/1.2/US4AK5GO.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4AK5GO/1.2/US4AK5GO.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5GO/1.2/US4AK5GO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5GO/1.2/US4AK5GO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5GO/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Feb 27, 2025 | metadata.json |