NOAA S-57 chart cell
Approaches to Kodiak Harbor, AK
US4AK4JG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,490
- S-57 layers
- 45
- Published
- Aug 1, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.90000° N
- South
- 57.60000° N
- West
- 152.40000° W
- East
- 151.80000° W
- Center
- 57.75000° N, 152.10000° W
- Bounds area
- 346 sq nm
- Feature density
- 7.1914 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 55.3
- Smallest layer
- 1
- Largest layer
- 578
- Area sq km
- 1,188
- Features per sq km
- 2.09666
- UWTROC Underwater rock 578
- DEPCNT Depth contour 433
- DEPARE Depth area 423
- SBDARE Seabed area 322
- LNDARE Land area 166
- COALNE Coastline 132
- WEDKLP 96
- OBSTRN Obstruction 89
- LNDELV 56
- SOUNDG Sounding 26
- M_QUAL Data quality 20
- BOYLAT Lateral buoy 17
- LIGHTS Light 17
- SEAARE Sea area 17
- LNDRGN Land region 10
- FOGSIG 8
- RIVERS River 8
- SLCONS Shoreline construction 7
- BUISGL 6
- BCNSPP Special purpose beacon 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/US4AK4JG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4JG/1.0/US4AK4JG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4JG/1.0/US4AK4JG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4JG/1.0/US4AK4JG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4JG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Aug 1, 2025 | metadata.json |