NOAA S-57 chart cell
Cape Bartolome to Cape Decison, AK
US3AK1EX
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 13,421
- S-57 layers
- 53
- Published
- Mar 16, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.40000° N
- South
- 55.20000° N
- West
- 134.40000° W
- East
- 132.00000° W
- Center
- 55.80000° N, 133.20000° W
- Bounds area
- 5,835 sq nm
- Feature density
- 2.2999 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 253.2
- Smallest layer
- 1
- Largest layer
- 3,100
- Area sq km
- 20,015
- Features per sq km
- 0.67055
- UWTROC Underwater rock 3,100
- COALNE Coastline 2,872
- LNDARE Land area 2,603
- DEPCNT Depth contour 1,374
- DEPARE Depth area 1,163
- SBDARE Seabed area 487
- RIVERS River 396
- LNDELV 233
- SEAARE Sea area 196
- OBSTRN Obstruction 194
- LNDRGN Land region 137
- WEDKLP 129
- LIGHTS Light 89
- DAYMAR 74
- BCNSPP Special purpose beacon 54
- SOUNDG Sounding 51
- BOYLAT Lateral buoy 36
- M_QUAL Data quality 35
- SLCONS Shoreline construction 27
- C_ASSO 26
Nearby Chart Cells
Coastal 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/US3AK1EX.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3AK1EX/1.0/US3AK1EX.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK1EX/1.0/US3AK1EX.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK1EX/1.0/US3AK1EX.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK1EX/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 16, 2026 | metadata.json |