NOAA S-57 chart cell
Maine
US4ME1CD
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 2,440
- S-57 layers
- 41
- Published
- Jun 18, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.10000° N
- South
- 43.80000° N
- West
- 70.20000° W
- East
- 69.90000° W
- Center
- 43.95000° N, 70.05000° W
- Bounds area
- 234 sq nm
- Feature density
- 10.4462 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 59.5
- Smallest layer
- 1
- Largest layer
- 481
- Area sq km
- 801
- Features per sq km
- 3.04563
- SBDARE Seabed area 481
- COALNE Coastline 479
- DEPARE Depth area 365
- DEPCNT Depth contour 345
- LNDRGN Land region 202
- UWTROC Underwater rock 90
- LNDARE Land area 89
- RIVERS River 77
- SLCONS Shoreline construction 70
- SEAARE Sea area 48
- PONTON 29
- M_QUAL Data quality 18
- BRIDGE 16
- BUAARE 15
- SLOTOP 14
- BOYLAT Lateral buoy 11
- LNDELV 11
- RESARE 11
- CBLOHD 10
- OBSTRN Obstruction 9
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/US4ME1CD.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4ME1CD/1.1/US4ME1CD.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4ME1CD/1.1/US4ME1CD.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4ME1CD/1.1/US4ME1CD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4ME1CD/1.1/US4ME1CD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4ME1CD/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jun 18, 2026 | metadata.json |