NOAA S-57 chart cell
Gulf of Maine - Machias Bay
US4ME1EM
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 3,913
- S-57 layers
- 44
- Published
- Jun 26, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.70000° N
- South
- 44.40000° N
- West
- 67.50000° W
- East
- 67.20000° W
- Center
- 44.55000° N, 67.35000° W
- Bounds area
- 231 sq nm
- Feature density
- 16.9242 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 88.9
- Smallest layer
- 1
- Largest layer
- 1,017
- Area sq km
- 793
- Features per sq km
- 4.93432
- DEPCNT Depth contour 1,017
- DEPARE Depth area 982
- SBDARE Seabed area 963
- UWTROC Underwater rock 393
- LNDARE Land area 102
- COALNE Coastline 75
- SEAARE Sea area 62
- LNDRGN Land region 60
- OBSTRN Obstruction 32
- LNDMRK 31
- LNDELV 28
- BOYLAT Lateral buoy 19
- LIGHTS Light 14
- RIVERS River 14
- FSHFAC 11
- M_QUAL Data quality 11
- SOUNDG Sounding 11
- BOYSPP Special purpose buoy 10
- SLCONS Shoreline construction 9
- PILPNT 8
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/US4ME1EM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4ME1EM/1.0/US4ME1EM.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4ME1EM/1.0/US4ME1EM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4ME1EM/1.0/US4ME1EM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4ME1EM/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 26, 2024 | metadata.json |