NOAA S-57 chart cell
Point Barrow to Herschel Island
US2AK91M
- Usage band
- General · code 2
- Current edition
- 16.2
- Features
- 1,455
- S-57 layers
- 40
- Published
- Apr 3, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 72.62978° N
- South
- 67.91617° N
- West
- 157.21388° W
- East
- 138.52651° W
- Center
- 70.27298° N, 147.87019° W
- Bounds area
- 107,150 sq nm
- Feature density
- 0.0136 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 36.4
- Smallest layer
- 1
- Largest layer
- 274
- Area sq km
- 367,514
- Features per sq km
- 0.00396
- LNDARE Land area 274
- COALNE Coastline 264
- RIVERS River 164
- DEPCNT Depth contour 159
- DEPARE Depth area 148
- MAGVAR Magnetic variation 78
- SBDARE Seabed area 65
- OBSTRN Obstruction 45
- LNDMRK 37
- LNDRGN Land region 35
- SEAARE Sea area 33
- M_QUAL Data quality 17
- SLCONS Shoreline construction 16
- SOUNDG Sounding 15
- TESARE 15
- SLOGRD 13
- LNDELV 10
- LIGHTS Light 9
- OFSPLF 8
- C_ASSO 7
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/US2AK91M.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/general/US2AK91M/16.2/US2AK91M.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/general/US2AK91M/16.2/US2AK91M.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/general/US2AK91M/16.2/US2AK91M.002
- GeoJSON https://charts.openships.ai/noaa/s57/general/US2AK91M/16.2/US2AK91M.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/general/US2AK91M/16.2/US2AK91M.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/general/US2AK91M/16.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 16.2 | Apr 3, 2026 | metadata.json |