NOAA S-57 chart cell
Stephens Passage and Seymour Canal
US4AK5QK
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,606
- S-57 layers
- 41
- Published
- Mar 18, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.20000° N
- South
- 57.90000° N
- West
- 134.40000° W
- East
- 133.80000° W
- Center
- 58.05000° N, 134.10000° W
- Bounds area
- 343 sq nm
- Feature density
- 4.6772 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 39.2
- Smallest layer
- 1
- Largest layer
- 374
- Area sq km
- 1,178
- Features per sq km
- 1.36364
- COALNE Coastline 374
- DEPCNT Depth contour 257
- DEPARE Depth area 235
- SBDARE Seabed area 195
- UWTROC Underwater rock 182
- LNDARE Land area 61
- RIVERS River 49
- LNDRGN Land region 26
- LNDELV 25
- SLOTOP 22
- SLOGRD 21
- BUISGL 17
- SEAARE Sea area 16
- WEDKLP 14
- M_QUAL Data quality 13
- VEGATN 11
- CBLSUB 10
- OBSTRN Obstruction 10
- SLCONS Shoreline construction 9
- CTNARE Caution area 7
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/US4AK5QK.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5QK/1.0/US4AK5QK.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5QK/1.0/US4AK5QK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5QK/1.0/US4AK5QK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5QK/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 18, 2024 | metadata.json |