NOAA S-57 chart cell
North Atlantic Ocean
US3GA1AD
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 161
- S-57 layers
- 26
- Published
- Jan 14, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 32.40000° N
- South
- 31.20000° N
- West
- 80.40000° W
- East
- 79.20000° W
- Center
- 31.80000° N, 79.80000° W
- Bounds area
- 4,412 sq nm
- Feature density
- 0.0365 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.2
- Smallest layer
- 1
- Largest layer
- 56
- Area sq km
- 15,132
- Features per sq km
- 0.01064
- SBDARE Seabed area 56
- DEPARE Depth area 17
- DEPCNT Depth contour 16
- M_QUAL Data quality 13
- OBSTRN Obstruction 11
- BOYSPP Special purpose buoy 9
- FOGSIG 4
- LNDARE Land area 4
- LNDMRK 4
- WRECKS Wreck 4
- LIGHTS Light 3
- MAGVAR Magnetic variation 3
- MIPARE 2
- RESARE 2
- SOUNDG Sounding 2
- ADMARE 1
- CONZNE 1
- COSARE 1
- CTNARE Caution area 1
- DMPGRD 1
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/US3GA1AD.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3GA1AD/1.0/US3GA1AD.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3GA1AD/1.0/US3GA1AD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3GA1AD/1.0/US3GA1AD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3GA1AD/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 14, 2026 | metadata.json |