NOAA S-57 chart cell
Montague Strait
US4AK4QM
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 667
- S-57 layers
- 33
- Published
- Feb 20, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 60.00000° N
- South
- 59.70000° N
- West
- 148.80000° W
- East
- 148.20000° W
- Center
- 59.85000° N, 148.50000° W
- Bounds area
- 326 sq nm
- Feature density
- 2.0466 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 20.2
- Smallest layer
- 1
- Largest layer
- 176
- Area sq km
- 1,118
- Features per sq km
- 0.59669
- UWTROC Underwater rock 176
- SBDARE Seabed area 142
- DEPCNT Depth contour 88
- DEPARE Depth area 72
- LNDARE Land area 53
- COALNE Coastline 52
- WEDKLP 12
- M_QUAL Data quality 9
- LNDELV 7
- SEAARE Sea area 7
- SOUNDG Sounding 7
- OBSTRN Obstruction 5
- CBLSUB 4
- LNDRGN Land region 4
- TESARE 3
- BCNSPP Special purpose beacon 2
- CBLARE 2
- DAYMAR 2
- LIGHTS Light 2
- MAGVAR Magnetic variation 2
Nearby Chart Cells
Approach 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/US4AK4QM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK4QM/1.0/US4AK4QM.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK4QM/1.0/US4AK4QM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK4QM/1.0/US4AK4QM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK4QM/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Feb 20, 2024 | metadata.json |