NOAA S-57 chart cell
Gulf of Alaska to Dall Island
US4AK5GL
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,296
- S-57 layers
- 27
- Published
- Mar 14, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 55.20000° N
- South
- 54.90000° N
- West
- 133.80000° W
- East
- 133.20000° W
- Center
- 55.05000° N, 133.50000° W
- Bounds area
- 372 sq nm
- Feature density
- 3.4865 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 48
- Smallest layer
- 1
- Largest layer
- 269
- Area sq km
- 1,275
- Features per sq km
- 1.01651
- DEPCNT Depth contour 269
- UWTROC Underwater rock 258
- SBDARE Seabed area 252
- DEPARE Depth area 239
- LNDARE Land area 65
- COALNE Coastline 42
- OBSTRN Obstruction 41
- WEDKLP 40
- RIVERS River 15
- M_QUAL Data quality 12
- SEAARE Sea area 11
- LNDRGN Land region 10
- SOUNDG Sounding 8
- WATTUR 8
- LNDELV 6
- ADMARE 4
- MAGVAR Magnetic variation 4
- CBLARE 2
- M_NPUB 2
- ACHARE Anchorage area 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/US4AK5GL.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5GL/1.0/US4AK5GL.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5GL/1.0/US4AK5GL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5GL/1.0/US4AK5GL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5GL/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 14, 2024 | metadata.json |