NOAA S-57 chart cell
Penobscot Bay to Penobscot River
US4ME1EH
- Usage band
- Approach · code 4
- Current edition
- 3.1
- Features
- 1,785
- S-57 layers
- 46
- Published
- Jun 3, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.70000° N
- South
- 44.40000° N
- West
- 69.00000° W
- East
- 68.70000° W
- Center
- 44.55000° N, 68.85000° W
- Bounds area
- 231 sq nm
- Feature density
- 7.7204 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 38.8
- Smallest layer
- 1
- Largest layer
- 298
- Area sq km
- 793
- Features per sq km
- 2.2509
- SBDARE Seabed area 298
- UWTROC Underwater rock 276
- DEPCNT Depth contour 253
- DEPARE Depth area 210
- SLCONS Shoreline construction 147
- COALNE Coastline 124
- RIVERS River 86
- LNDRGN Land region 77
- SEAARE Sea area 50
- LNDARE Land area 44
- BOYLAT Lateral buoy 31
- PONTON 23
- BUAARE 21
- LIGHTS Light 13
- M_QUAL Data quality 13
- LNDELV 10
- SOUNDG Sounding 10
- BRIDGE 9
- CBLOHD 7
- LNDMRK 7
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/US4ME1EH.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4ME1EH/3.1/US4ME1EH.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4ME1EH/3.1/US4ME1EH.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4ME1EH/3.1/US4ME1EH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4ME1EH/3.1/US4ME1EH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4ME1EH/3.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.1 | Jun 3, 2026 | metadata.json |