NOAA S-57 chart cell
Chignik and Kujulik Bays, Alaska Pen.
US4AK5HM
- Usage band
- Approach · code 4
- Current edition
- 7.0
- Features
- 194
- S-57 layers
- 21
- Published
- Feb 20, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.71042° N
- South
- 56.08760° N
- West
- 158.70328° W
- East
- 157.28274° W
- Center
- 56.39901° N, 157.99301° W
- Bounds area
- 1,765 sq nm
- Feature density
- 0.1099 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.2
- Smallest layer
- 1
- Largest layer
- 55
- Area sq km
- 6,054
- Features per sq km
- 0.03205
- SBDARE Seabed area 55
- DEPARE Depth area 36
- DEPCNT Depth contour 34
- UWTROC Underwater rock 23
- M_QUAL Data quality 8
- WEDKLP 8
- COALNE Coastline 6
- LNDARE Land area 6
- SOUNDG Sounding 4
- LNDELV 2
- M_COVR Coverage 2
- ADMARE 1
- CBLSUB 1
- CONZNE 1
- EXEZNE 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- OBSTRN Obstruction 1
- SEAARE Sea area 1
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/US4AK5HM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5HM/7.0/US4AK5HM.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5HM/7.0/US4AK5HM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5HM/7.0/US4AK5HM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5HM/7.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 7.0 | Feb 20, 2025 | metadata.json |