NOAA S-57 chart cell
Gulf of Alaska
US4AK5SE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 445
- S-57 layers
- 34
- Published
- Nov 29, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.80000° N
- South
- 58.50000° N
- West
- 138.00000° W
- East
- 137.40000° W
- Center
- 58.65000° N, 137.70000° W
- Bounds area
- 338 sq nm
- Feature density
- 1.3182 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.1
- Smallest layer
- 1
- Largest layer
- 73
- Area sq km
- 1,158
- Features per sq km
- 0.38432
- DEPCNT Depth contour 73
- DEPARE Depth area 70
- RIVERS River 63
- SBDARE Seabed area 59
- OBSTRN Obstruction 40
- COALNE Coastline 35
- UWTROC Underwater rock 35
- LNDELV 10
- ICEARE 7
- LNDRGN Land region 7
- LNDARE Land area 5
- M_QUAL Data quality 5
- LIGHTS Light 4
- MAGVAR Magnetic variation 4
- SEAARE Sea area 3
- SOUNDG Sounding 3
- WATTUR 3
- BCNSPP Special purpose beacon 2
- DAYMAR 2
- ADMARE 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/US4AK5SE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5SE/1.0/US4AK5SE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5SE/1.0/US4AK5SE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5SE/1.0/US4AK5SE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5SE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Nov 29, 2024 | metadata.json |