NOAA S-57 chart cell
North Atlantic Ocean
US4SC1CQ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 166
- S-57 layers
- 25
- Published
- Sep 29, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 33.00000° N
- South
- 32.70000° N
- West
- 79.50000° W
- East
- 79.20000° W
- Center
- 32.85000° N, 79.35000° W
- Bounds area
- 273 sq nm
- Feature density
- 0.609 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.6
- Smallest layer
- 1
- Largest layer
- 51
- Area sq km
- 935
- Features per sq km
- 0.17757
- DEPARE Depth area 51
- DEPCNT Depth contour 49
- SBDARE Seabed area 20
- M_QUAL Data quality 7
- SOUNDG Sounding 6
- MAGVAR Magnetic variation 3
- OBSTRN Obstruction 3
- SEAARE Sea area 3
- BOYLAT Lateral buoy 2
- CTNARE Caution area 2
- M_NPUB 2
- RESARE 2
- UNSARE 2
- WATTUR 2
- WRECKS Wreck 2
- ADMARE 1
- BOYSPP Special purpose buoy 1
- CONZNE 1
- DRGARE 1
- EXEZNE 1
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/US4SC1CQ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4SC1CQ/1.0/US4SC1CQ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4SC1CQ/1.0/US4SC1CQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4SC1CQ/1.0/US4SC1CQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4SC1CQ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 29, 2025 | metadata.json |