NOAA S-57 chart cell
Kosciusko Island, Davidson Inlet and Sea Otter Sound, AK
US4AK5JL
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 8,936
- S-57 layers
- 36
- Published
- Mar 14, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.10000° N
- South
- 55.80000° N
- West
- 133.80000° W
- East
- 133.20000° W
- Center
- 55.95000° N, 133.50000° W
- Bounds area
- 363 sq nm
- Feature density
- 24.5957 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 248.2
- Smallest layer
- 1
- Largest layer
- 2,163
- Area sq km
- 1,246
- Features per sq km
- 7.17096
- DEPCNT Depth contour 2,163
- DEPARE Depth area 2,089
- SBDARE Seabed area 1,571
- UWTROC Underwater rock 1,145
- LNDARE Land area 813
- COALNE Coastline 453
- OBSTRN Obstruction 149
- WEDKLP 143
- RIVERS River 87
- LNDRGN Land region 86
- SEAARE Sea area 53
- LNDELV 26
- SLCONS Shoreline construction 25
- DAYMAR 17
- BUISGL 15
- SOUNDG Sounding 14
- LIGHTS Light 11
- M_QUAL Data quality 10
- BCNSPP Special purpose beacon 9
- BCNLAT Lateral beacon 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/US4AK5JL.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5JL/1.0/US4AK5JL.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5JL/1.0/US4AK5JL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5JL/1.0/US4AK5JL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5JL/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 14, 2024 | metadata.json |