NOAA S-57 chart cell
Gulf of Alaska
US4AK5WA
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 156
- S-57 layers
- 18
- Published
- Dec 5, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.00000° N
- South
- 59.70000° N
- West
- 140.40000° W
- East
- 139.80000° W
- Center
- 59.85000° N, 140.10000° W
- Bounds area
- 326 sq nm
- Feature density
- 0.4787 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 8.7
- Smallest layer
- 1
- Largest layer
- 31
- Area sq km
- 1,118
- Features per sq km
- 0.13956
- DEPARE Depth area 31
- DEPCNT Depth contour 25
- RIVERS River 19
- SBDARE Seabed area 18
- COALNE Coastline 17
- LNDARE Land area 10
- M_QUAL Data quality 10
- SEAARE Sea area 5
- LNDRGN Land region 4
- SOUNDG Sounding 4
- MAGVAR Magnetic variation 3
- CTNARE Caution area 2
- ICEARE 2
- UWTROC Underwater rock 2
- LNDMRK 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US4AK5WA.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5WA/1.0/US4AK5WA.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5WA/1.0/US4AK5WA.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5WA/1.0/US4AK5WA.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5WA/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 5, 2023 | metadata.json |