NOAA S-57 chart cell
Alaska
US4AK3ZP
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 177
- S-57 layers
- 21
- Published
- Jul 1, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 59.40000° N
- South
- 59.10000° N
- West
- 162.60000° W
- East
- 162.00000° W
- Center
- 59.25000° N, 162.30000° W
- Bounds area
- 332 sq nm
- Feature density
- 0.5335 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8.4
- Smallest layer
- 1
- Largest layer
- 62
- Area sq km
- 1,138
- Features per sq km
- 0.15555
- SBDARE Seabed area 62
- DEPARE Depth area 39
- DEPCNT Depth contour 38
- SOUNDG Sounding 7
- COALNE Coastline 5
- M_QUAL Data quality 5
- SNDWAV 4
- LNDARE Land area 2
- LNDRGN Land region 2
- SEAARE Sea area 2
- ADMARE 1
- BOYLAT Lateral buoy 1
- CBLSUB 1
- CONZNE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- TESARE 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/US4AK3ZP.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK3ZP/1.2/US4AK3ZP.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK3ZP/1.2/US4AK3ZP.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4AK3ZP/1.2/US4AK3ZP.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3ZP/1.2/US4AK3ZP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3ZP/1.2/US4AK3ZP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3ZP/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Jul 1, 2025 | metadata.json |