NOAA S-57 chart cell
Ducktrap Harbor and Gilkey Harbor - West Penobscot Bay
US5BGRFD
- Usage band
- Harbor · code 5
- Current edition
- 2.1
- Features
- 461
- S-57 layers
- 29
- Published
- Apr 28, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.32500° N
- South
- 44.25000° N
- West
- 69.00000° W
- East
- 68.92500° W
- Center
- 44.28750° N, 68.96250° W
- Bounds area
- 15 sq nm
- Feature density
- 31.7592 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 15.9
- Smallest layer
- 1
- Largest layer
- 107
- Area sq km
- 50
- Features per sq km
- 9.25951
- DEPCNT Depth contour 107
- DEPARE Depth area 102
- SBDARE Seabed area 65
- UWTROC Underwater rock 36
- SLCONS Shoreline construction 31
- COALNE Coastline 27
- LNDARE Land area 18
- M_QUAL Data quality 11
- SEAARE Sea area 11
- BOYLAT Lateral buoy 6
- BCNSPP Special purpose beacon 5
- LIGHTS Light 5
- LNDRGN Land region 5
- SOUNDG Sounding 5
- CBLARE 4
- PONTON 4
- RIVERS River 3
- FOGSIG 2
- MORFAC 2
- OBSTRN Obstruction 2
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/US5BGRFD.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/harbor/US5BGRFD/2.1/US5BGRFD.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/harbor/US5BGRFD/2.1/US5BGRFD.001
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5BGRFD/2.1/US5BGRFD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5BGRFD/2.1/US5BGRFD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5BGRFD/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | Apr 28, 2025 | metadata.json |