NOAA S-57 chart cell
Gulf of Maine and Saint George River
US4ME1CG
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 4,707
- S-57 layers
- 50
- Published
- Jul 1, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.10000° N
- South
- 43.80000° N
- West
- 69.30000° W
- East
- 69.00000° W
- Center
- 43.95000° N, 69.15000° W
- Bounds area
- 234 sq nm
- Feature density
- 20.1518 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 94.1
- Smallest layer
- 1
- Largest layer
- 1,226
- Area sq km
- 801
- Features per sq km
- 5.87532
- DEPCNT Depth contour 1,226
- DEPARE Depth area 1,198
- SBDARE Seabed area 762
- UWTROC Underwater rock 425
- COALNE Coastline 210
- LNDARE Land area 190
- SLCONS Shoreline construction 166
- SEAARE Sea area 86
- BOYLAT Lateral buoy 67
- LNDRGN Land region 42
- RIVERS River 40
- WEDKLP 33
- M_QUAL Data quality 26
- LNDELV 21
- OBSTRN Obstruction 21
- LIGHTS Light 19
- BUAARE 18
- SOUNDG Sounding 18
- FOGSIG 16
- PILPNT 13
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/US4ME1CG.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4ME1CG/1.2/US4ME1CG.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4ME1CG/1.2/US4ME1CG.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4ME1CG/1.2/US4ME1CG.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4ME1CG/1.2/US4ME1CG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4ME1CG/1.2/US4ME1CG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4ME1CG/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Jul 1, 2025 | metadata.json |