NOAA S-57 chart cell
Chilkat Inlet, Chilkoot Inlet, Taiya Inlet
US4AK5UI
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 852
- S-57 layers
- 41
- Published
- May 20, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.40000° N
- South
- 59.10000° N
- West
- 135.60000° W
- East
- 135.00000° W
- Center
- 59.25000° N, 135.30000° W
- Bounds area
- 332 sq nm
- Feature density
- 2.5681 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 20.8
- Smallest layer
- 1
- Largest layer
- 161
- Area sq km
- 1,138
- Features per sq km
- 0.74873
- DEPCNT Depth contour 161
- DEPARE Depth area 143
- RIVERS River 96
- UWTROC Underwater rock 94
- COALNE Coastline 73
- SBDARE Seabed area 73
- SLCONS Shoreline construction 30
- LNDARE Land area 25
- ICEARE 20
- BUISGL 16
- LNDRGN Land region 16
- SEAARE Sea area 14
- M_QUAL Data quality 12
- OBSTRN Obstruction 8
- LIGHTS Light 7
- PILPNT 7
- DAYMAR 6
- BCNSPP Special purpose beacon 5
- LNDELV 5
- SILTNK 5
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/US4AK5UI.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK5UI/1.1/US4AK5UI.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK5UI/1.1/US4AK5UI.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5UI/1.1/US4AK5UI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5UI/1.1/US4AK5UI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5UI/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | May 20, 2025 | metadata.json |