NOAA S-57 chart cell
Icy Strait
US4AK5RH
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 1,580
- S-57 layers
- 45
- Published
- Jan 5, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.50000° N
- South
- 58.20000° N
- West
- 136.20000° W
- East
- 135.60000° W
- Center
- 58.35000° N, 135.90000° W
- Bounds area
- 340 sq nm
- Feature density
- 4.6405 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 35.1
- Smallest layer
- 1
- Largest layer
- 363
- Area sq km
- 1,168
- Features per sq km
- 1.35294
- UWTROC Underwater rock 363
- DEPCNT Depth contour 220
- DEPARE Depth area 196
- SBDARE Seabed area 183
- COALNE Coastline 176
- RIVERS River 116
- LNDARE Land area 72
- WEDKLP 41
- M_QUAL Data quality 28
- SEAARE Sea area 22
- PILPNT 17
- LNDELV 16
- OBSTRN Obstruction 16
- LNDRGN Land region 12
- SOUNDG Sounding 12
- BUISGL 11
- BCNSPP Special purpose beacon 9
- LIGHTS Light 9
- MORFAC 6
- RESARE 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/US4AK5RH.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK5RH/1.1/US4AK5RH.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK5RH/1.1/US4AK5RH.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5RH/1.1/US4AK5RH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5RH/1.1/US4AK5RH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5RH/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jan 5, 2026 | metadata.json |