NOAA S-57 chart cell
East Penobscot Bay - North Haven Island to Butter Island
US5BGREF
- Usage band
- Harbor · code 5
- Current edition
- 2.1
- Features
- 933
- S-57 layers
- 23
- Published
- Mar 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.25000° N
- South
- 44.17500° N
- West
- 68.85000° W
- East
- 68.77500° W
- Center
- 44.21250° N, 68.81250° W
- Bounds area
- 15 sq nm
- Feature density
- 64.1944 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 40.6
- Smallest layer
- 1
- Largest layer
- 255
- Area sq km
- 50
- Features per sq km
- 18.71609
- DEPCNT Depth contour 255
- DEPARE Depth area 251
- SBDARE Seabed area 161
- LNDARE Land area 77
- UWTROC Underwater rock 60
- COALNE Coastline 53
- OBSTRN Obstruction 12
- LNDELV 11
- M_QUAL Data quality 10
- SLCONS Shoreline construction 10
- SEAARE Sea area 7
- PONTON 6
- LNDRGN Land region 5
- SOUNDG Sounding 4
- BOYLAT Lateral buoy 3
- BRIDGE 1
- BUISGL 1
- CTNARE Caution area 1
- LNDMRK 1
- M_COVR Coverage 1
Nearby Chart Cells
Harbor 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/US5BGREF.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/harbor/US5BGREF/2.1/US5BGREF.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/harbor/US5BGREF/2.1/US5BGREF.001
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5BGREF/2.1/US5BGREF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5BGREF/2.1/US5BGREF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5BGREF/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | Mar 20, 2026 | metadata.json |