NOAA S-57 chart cell
Alaska
US4AK5OH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 5,998
- S-57 layers
- 39
- Published
- Apr 22, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.60000° N
- South
- 57.30000° N
- West
- 136.20000° W
- East
- 135.60000° W
- Center
- 57.45000° N, 135.90000° W
- Bounds area
- 349 sq nm
- Feature density
- 17.1804 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 153.8
- Smallest layer
- 1
- Largest layer
- 1,164
- Area sq km
- 1,197
- Features per sq km
- 5.00902
- DEPCNT Depth contour 1,164
- DEPARE Depth area 1,124
- UWTROC Underwater rock 1,094
- SBDARE Seabed area 667
- LNDARE Land area 457
- COALNE Coastline 413
- OBSTRN Obstruction 345
- WEDKLP 273
- RIVERS River 100
- LNDELV 79
- SLOGRD 57
- LNDRGN Land region 49
- SEAARE Sea area 46
- WATTUR 25
- M_QUAL Data quality 24
- SOUNDG Sounding 14
- BOYLAT Lateral buoy 9
- LIGHTS Light 9
- CTRPNT 7
- MAGVAR Magnetic variation 6
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/US4AK5OH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5OH/1.0/US4AK5OH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5OH/1.0/US4AK5OH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5OH/1.0/US4AK5OH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5OH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 22, 2024 | metadata.json |