NOAA S-57 chart cell
Port Safety
US4AK6QP
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 78
- S-57 layers
- 20
- Published
- May 24, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 64.50000° N
- South
- 64.20000° N
- West
- 165.00000° W
- East
- 164.40000° W
- Center
- 64.35000° N, 164.70000° W
- Bounds area
- 281 sq nm
- Feature density
- 0.2777 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.9
- Smallest layer
- 1
- Largest layer
- 12
- Area sq km
- 963
- Features per sq km
- 0.08096
- COALNE Coastline 12
- LNDARE Land area 12
- DEPCNT Depth contour 11
- DEPARE Depth area 10
- SBDARE Seabed area 9
- LNDRGN Land region 4
- SEAARE Sea area 3
- M_NPUB 2
- M_QUAL Data quality 2
- RIVERS River 2
- SOUNDG Sounding 2
- ADMARE 1
- BRIDGE 1
- BUAARE 1
- CONZNE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SLCONS Shoreline construction 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/US4AK6QP.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4AK6QP/1.1/US4AK6QP.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4AK6QP/1.1/US4AK6QP.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK6QP/1.1/US4AK6QP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK6QP/1.1/US4AK6QP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK6QP/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | May 24, 2023 | metadata.json |