NOAA S-57 chart cell
Amukta Island To Igitkin Island
US3AK7RM
- Usage band
- Coastal · code 3
- Current edition
- 12.2
- Features
- 2,545
- S-57 layers
- 39
- Published
- May 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 53.15005° N
- South
- 50.84751° N
- West
- 176.05528° W
- East
- 171.01177° W
- Center
- 51.99878° N, 173.53353° W
- Bounds area
- 25,772 sq nm
- Feature density
- 0.0987 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 65.3
- Smallest layer
- 1
- Largest layer
- 539
- Area sq km
- 88,396
- Features per sq km
- 0.02879
- LNDARE Land area 539
- DEPCNT Depth contour 400
- COALNE Coastline 331
- DEPARE Depth area 317
- UWTROC Underwater rock 312
- RIVERS River 150
- SBDARE Seabed area 88
- LNDELV 78
- M_QUAL Data quality 73
- OBSTRN Obstruction 60
- SEAARE Sea area 30
- LNDRGN Land region 29
- SLOTOP 24
- SLOGRD 18
- WEDKLP 15
- WATTUR 11
- MAGVAR Magnetic variation 10
- SLCONS Shoreline construction 9
- SOUNDG Sounding 9
- TESARE 8
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/US3AK7RM.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/coastal/US3AK7RM/12.2/US3AK7RM.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/coastal/US3AK7RM/12.2/US3AK7RM.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/coastal/US3AK7RM/12.2/US3AK7RM.002
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK7RM/12.2/US3AK7RM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK7RM/12.2/US3AK7RM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK7RM/12.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 12.2 | May 6, 2026 | metadata.json |