NOAA S-57 chart cell
Alaska
US4AK3XP
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 261
- S-57 layers
- 27
- Published
- Jun 3, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.80000° N
- South
- 58.50000° N
- West
- 162.60000° W
- East
- 162.00000° W
- Center
- 58.65000° N, 162.30000° W
- Bounds area
- 338 sq nm
- Feature density
- 0.7731 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.7
- Smallest layer
- 1
- Largest layer
- 50
- Area sq km
- 1,158
- Features per sq km
- 0.22541
- SBDARE Seabed area 50
- DEPCNT Depth contour 42
- DEPARE Depth area 40
- UWTROC Underwater rock 36
- M_QUAL Data quality 26
- COALNE Coastline 14
- LNDARE Land area 14
- SOUNDG Sounding 12
- CBLSUB 3
- LNDELV 3
- LNDMRK 2
- SEAARE Sea area 2
- SNDWAV 2
- UNSARE 2
- ACHARE Anchorage area 1
- ADMARE 1
- CONZNE 1
- CTNARE Caution area 1
- EXEZNE 1
- LNDRGN Land region 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/US4AK3XP.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK3XP/1.1/US4AK3XP.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK3XP/1.1/US4AK3XP.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3XP/1.1/US4AK3XP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3XP/1.1/US4AK3XP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3XP/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jun 3, 2025 | metadata.json |