NOAA S-57 chart cell
Kennedy Entrance
US4AK4NH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 217
- S-57 layers
- 27
- Published
- Apr 1, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.10000° N
- South
- 58.80000° N
- West
- 151.80000° W
- East
- 151.20000° W
- Center
- 58.95000° N, 151.50000° W
- Bounds area
- 335 sq nm
- Feature density
- 0.6484 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8
- Smallest layer
- 1
- Largest layer
- 46
- Area sq km
- 1,148
- Features per sq km
- 0.18904
- DEPCNT Depth contour 46
- DEPARE Depth area 45
- SBDARE Seabed area 43
- UWTROC Underwater rock 30
- COALNE Coastline 8
- LNDARE Land area 6
- OBSTRN Obstruction 6
- SEAARE Sea area 4
- SOUNDG Sounding 4
- WATTUR 4
- M_QUAL Data quality 3
- CBLSUB 2
- WEDKLP 2
- ADMARE 1
- BCNSPP Special purpose beacon 1
- CONZNE 1
- CTNARE Caution area 1
- DAYMAR 1
- EXEZNE 1
- LIGHTS Light 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/US4AK4NH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4NH/1.0/US4AK4NH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4NH/1.0/US4AK4NH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4NH/1.0/US4AK4NH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4NH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 1, 2024 | metadata.json |