NOAA S-57 chart cell
Igitkin ls. to Amchitka Pass
US3AK7GM
- Usage band
- Coastal · code 3
- Current edition
- 5.1
- Features
- 3,054
- S-57 layers
- 38
- Published
- May 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.90447° N
- South
- 50.55302° N
- West
- 180.00000° W
- East
- 175.61169° W
- Center
- 51.72874° N, 177.80585° W
- Bounds area
- 23,038 sq nm
- Feature density
- 0.1326 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 80.4
- Smallest layer
- 1
- Largest layer
- 1,186
- Area sq km
- 79,019
- Features per sq km
- 0.03865
- LNDARE Land area 1,186
- UWTROC Underwater rock 421
- DEPCNT Depth contour 378
- DEPARE Depth area 370
- COALNE Coastline 206
- RIVERS River 138
- SBDARE Seabed area 102
- SEAARE Sea area 44
- LNDRGN Land region 39
- LNDELV 37
- SLCONS Shoreline construction 23
- M_QUAL Data quality 17
- WEDKLP 11
- MAGVAR Magnetic variation 10
- WATTUR 9
- OBSTRN Obstruction 8
- SOUNDG Sounding 8
- LNDMRK 5
- WRECKS Wreck 5
- C_ASSO 4
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/US3AK7GM.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/coastal/US3AK7GM/5.1/US3AK7GM.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/coastal/US3AK7GM/5.1/US3AK7GM.001
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK7GM/5.1/US3AK7GM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK7GM/5.1/US3AK7GM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK7GM/5.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.1 | May 6, 2026 | metadata.json |