NOAA S-57 chart cell
Approaches to Penobscot Bay
US5BGRFF
- Usage band
- Harbor · code 5
- Current edition
- 3.0
- Features
- 557
- S-57 layers
- 27
- Published
- Dec 26, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.32500° N
- South
- 44.25000° N
- West
- 68.85000° W
- East
- 68.77500° W
- Center
- 44.28750° N, 68.81250° W
- Bounds area
- 15 sq nm
- Feature density
- 38.3729 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 20.6
- Smallest layer
- 1
- Largest layer
- 120
- Area sq km
- 50
- Features per sq km
- 11.18774
- DEPARE Depth area 120
- DEPCNT Depth contour 119
- SBDARE Seabed area 93
- UWTROC Underwater rock 87
- LNDARE Land area 33
- COALNE Coastline 31
- M_QUAL Data quality 15
- SLCONS Shoreline construction 12
- SEAARE Sea area 8
- LNDRGN Land region 7
- SOUNDG Sounding 6
- OBSTRN Obstruction 4
- LNDELV 3
- PONTON 3
- RIVERS River 3
- MAGVAR Magnetic variation 2
- BCNLAT Lateral beacon 1
- BOYLAT Lateral buoy 1
- BRIDGE 1
- DAYMAR 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/US5BGRFF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5BGRFF/3.0/US5BGRFF.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5BGRFF/3.0/US5BGRFF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5BGRFF/3.0/US5BGRFF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5BGRFF/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | Dec 26, 2024 | metadata.json |