NOAA S-57 chart cell
Unimak Pass, AK
US2ARCCC
- Usage band
- General · code 2
- Current edition
- 1.1
- Features
- 1,774
- S-57 layers
- 46
- Published
- Jun 16, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.60000° N
- South
- 52.80000° N
- West
- 172.80000° W
- East
- 163.20000° W
- Center
- 55.20000° N, 168.00000° W
- Bounds area
- 94,775 sq nm
- Feature density
- 0.0187 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 38.6
- Smallest layer
- 1
- Largest layer
- 297
- Area sq km
- 325,068
- Features per sq km
- 0.00546
- SLOGRD 297
- COALNE Coastline 227
- LNDARE Land area 223
- SBDARE Seabed area 184
- LNDELV 118
- DEPCNT Depth contour 110
- UWTROC Underwater rock 109
- DEPARE Depth area 100
- SOUNDG Sounding 54
- RIVERS River 46
- LNDRGN Land region 39
- SEAARE Sea area 37
- M_QUAL Data quality 36
- OBSTRN Obstruction 29
- TESARE 29
- MAGVAR Magnetic variation 22
- WRECKS Wreck 15
- LAKARE 12
- LIGHTS Light 10
- ADMARE 8
Nearby Chart Cells
General 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/US2ARCCC.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/general/US2ARCCC/1.1/US2ARCCC.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/general/US2ARCCC/1.1/US2ARCCC.001
- GeoJSON https://charts.openships.ai/noaa/s57/general/US2ARCCC/1.1/US2ARCCC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/general/US2ARCCC/1.1/US2ARCCC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/general/US2ARCCC/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jun 16, 2026 | metadata.json |