NOAA S-57 chart cell
Barren Islands
US4AK4NG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 851
- S-57 layers
- 28
- Published
- Apr 1, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.10000° N
- South
- 58.80000° N
- West
- 152.40000° W
- East
- 151.80000° W
- Center
- 58.95000° N, 152.10000° W
- Bounds area
- 335 sq nm
- Feature density
- 2.5427 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 30.4
- Smallest layer
- 1
- Largest layer
- 311
- Area sq km
- 1,148
- Features per sq km
- 0.74134
- UWTROC Underwater rock 311
- DEPCNT Depth contour 125
- DEPARE Depth area 117
- SBDARE Seabed area 100
- LNDARE Land area 54
- COALNE Coastline 47
- OBSTRN Obstruction 29
- WEDKLP 14
- LNDELV 13
- WATTUR 9
- RIVERS River 6
- SEAARE Sea area 3
- SOUNDG Sounding 3
- ADMARE 2
- CBLSUB 2
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- SLOTOP 2
- BCNSPP Special purpose beacon 1
- CTNARE Caution area 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/US4AK4NG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4NG/1.0/US4AK4NG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4NG/1.0/US4AK4NG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4NG/1.0/US4AK4NG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4NG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 1, 2024 | metadata.json |