NOAA S-57 chart cell
Ingenstrem Rocks to Attu Island
US3AK72M
- Usage band
- Coastal · code 3
- Current edition
- 9.2
- Features
- 2,835
- S-57 layers
- 37
- Published
- May 29, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 53.21220° N
- South
- 52.09233° N
- West
- 172.16535° E
- East
- 174.74268° E
- Center
- 52.65227° N, 173.45402° E
- Bounds area
- 6,312 sq nm
- Feature density
- 0.4492 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 76.6
- Smallest layer
- 1
- Largest layer
- 599
- Area sq km
- 21,649
- Features per sq km
- 0.13095
- UWTROC Underwater rock 599
- DEPARE Depth area 483
- DEPCNT Depth contour 482
- LNDARE Land area 451
- SBDARE Seabed area 265
- LNDELV 165
- WEDKLP 122
- OBSTRN Obstruction 80
- SEAARE Sea area 27
- LNDRGN Land region 26
- COALNE Coastline 22
- SLOGRD 20
- SLCONS Shoreline construction 13
- WATTUR 11
- RIVERS River 10
- LNDMRK 8
- WRECKS Wreck 7
- CONZNE 5
- EXEZNE 5
- M_QUAL Data quality 5
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/US3AK72M.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/coastal/US3AK72M/9.2/US3AK72M.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/coastal/US3AK72M/9.2/US3AK72M.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/coastal/US3AK72M/9.2/US3AK72M.002
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK72M/9.2/US3AK72M.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK72M/9.2/US3AK72M.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK72M/9.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 9.2 | May 29, 2026 | metadata.json |