NOAA S-57 chart cell
Behm Canal - Western Part
US4AK5IO
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,273
- S-57 layers
- 37
- Published
- May 3, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.80000° N
- South
- 55.50000° N
- West
- 132.00000° W
- East
- 131.40000° W
- Center
- 55.65000° N, 131.70000° W
- Bounds area
- 366 sq nm
- Feature density
- 6.2082 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 61.4
- Smallest layer
- 1
- Largest layer
- 457
- Area sq km
- 1,256
- Features per sq km
- 1.81004
- DEPCNT Depth contour 457
- COALNE Coastline 423
- DEPARE Depth area 380
- UWTROC Underwater rock 221
- SBDARE Seabed area 191
- LNDARE Land area 143
- RIVERS River 122
- LNDELV 80
- OBSTRN Obstruction 46
- PILPNT 32
- M_QUAL Data quality 26
- SLCONS Shoreline construction 23
- SEAARE Sea area 19
- MORFAC 14
- BUISGL 13
- LNDRGN Land region 13
- SLOTOP 9
- SOUNDG Sounding 9
- DAYMAR 8
- SLOGRD 8
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/US4AK5IO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5IO/1.0/US4AK5IO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5IO/1.0/US4AK5IO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5IO/1.0/US4AK5IO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5IO/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 3, 2024 | metadata.json |