NOAA S-57 chart cell
Penobscot River to Bangor
US4ME1FH
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 410
- S-57 layers
- 30
- Published
- Jul 16, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 45.00000° N
- South
- 44.70000° N
- West
- 69.00000° W
- East
- 68.70000° W
- Center
- 44.85000° N, 68.85000° W
- Bounds area
- 230 sq nm
- Feature density
- 1.7825 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.7
- Smallest layer
- 1
- Largest layer
- 117
- Area sq km
- 789
- Features per sq km
- 0.5197
- DEPCNT Depth contour 117
- DEPARE Depth area 95
- SLCONS Shoreline construction 37
- COALNE Coastline 25
- UWTROC Underwater rock 16
- BRIDGE 15
- PILPNT 15
- BUAARE 12
- RIVERS River 11
- SBDARE Seabed area 10
- BUISGL 6
- LNDMRK 6
- OBSTRN Obstruction 6
- LNDRGN Land region 5
- SOUNDG Sounding 5
- LNDARE Land area 4
- BOYLAT Lateral buoy 3
- MORFAC 3
- SEAARE Sea area 3
- BCNSPP Special purpose beacon 2
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/US4ME1FH.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4ME1FH/1.1/US4ME1FH.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4ME1FH/1.1/US4ME1FH.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4ME1FH/1.1/US4ME1FH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4ME1FH/1.1/US4ME1FH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4ME1FH/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jul 16, 2025 | metadata.json |