NOAA S-57 chart cell
Alaska
US4AK4KD
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 273
- S-57 layers
- 22
- Published
- May 20, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.20000° N
- South
- 57.90000° N
- West
- 154.20000° W
- East
- 153.60000° W
- Center
- 58.05000° N, 153.90000° W
- Bounds area
- 343 sq nm
- Feature density
- 0.7951 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 12.4
- Smallest layer
- 1
- Largest layer
- 77
- Area sq km
- 1,178
- Features per sq km
- 0.2318
- DEPCNT Depth contour 77
- DEPARE Depth area 73
- SBDARE Seabed area 67
- UWTROC Underwater rock 13
- M_QUAL Data quality 7
- SOUNDG Sounding 6
- LNDARE Land area 4
- COALNE Coastline 3
- MAGVAR Magnetic variation 3
- OBSTRN Obstruction 3
- SEAARE Sea area 3
- TESARE 3
- ADMARE 2
- CBLSUB 1
- CONZNE 1
- CTNARE Caution area 1
- EXEZNE 1
- LNDELV 1
- M_COVR Coverage 1
- M_NPUB 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/US4AK4KD.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4KD/1.0/US4AK4KD.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4KD/1.0/US4AK4KD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4KD/1.0/US4AK4KD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4KD/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 20, 2024 | metadata.json |