NOAA S-57 chart cell
Kodiak Island - Low Cape to Cape Ikolik; Olga Bay
US4AK4HC
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 664
- S-57 layers
- 27
- Published
- Jun 15, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.30000° N
- South
- 57.00000° N
- West
- 154.80000° W
- East
- 154.20000° W
- Center
- 57.15000° N, 154.50000° W
- Bounds area
- 352 sq nm
- Feature density
- 1.8865 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 24.6
- Smallest layer
- 1
- Largest layer
- 114
- Area sq km
- 1,207
- Features per sq km
- 0.55001
- SBDARE Seabed area 114
- COALNE Coastline 97
- LNDARE Land area 75
- DEPCNT Depth contour 71
- UWTROC Underwater rock 71
- DEPARE Depth area 69
- RIVERS River 52
- WEDKLP 29
- SLOTOP 14
- BUISGL 12
- LNDELV 10
- LNDRGN Land region 9
- M_VDAT 9
- LAKARE 7
- SEAARE Sea area 4
- M_QUAL Data quality 3
- OBSTRN Obstruction 3
- SOUNDG Sounding 3
- BUAARE 2
- MAGVAR Magnetic variation 2
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/US4AK4HC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4HC/2.0/US4AK4HC.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4HC/2.0/US4AK4HC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4HC/2.0/US4AK4HC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4HC/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 15, 2026 | metadata.json |