NOAA S-57 chart cell
Boston Inner Harbor to Mystic River and Chelsea River
US5BOSDC
- Usage band
- Harbor · code 5
- Current edition
- 5.0
- Features
- 1,700
- S-57 layers
- 48
- Published
- Nov 24, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.45000° N
- South
- 42.37500° N
- West
- 71.10000° W
- East
- 71.02500° W
- Center
- 42.41250° N, 71.06250° W
- Bounds area
- 15 sq nm
- Feature density
- 113.5532 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 35.4
- Smallest layer
- 1
- Largest layer
- 521
- Area sq km
- 51
- Features per sq km
- 33.10683
- SLCONS Shoreline construction 521
- DEPCNT Depth contour 189
- BUISGL 163
- PONTON 158
- DEPARE Depth area 149
- PILPNT 93
- COALNE Coastline 69
- DRGARE 36
- SILTNK 34
- M_QUAL Data quality 32
- WRECKS Wreck 30
- SOUNDG Sounding 24
- LNDARE Land area 22
- BRIDGE 21
- OBSTRN Obstruction 20
- UWTROC Underwater rock 16
- OFSPLF 12
- LNDRGN Land region 11
- CTNARE Caution area 9
- SEAARE Sea area 9
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/US5BOSDC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5BOSDC/5.0/US5BOSDC.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5BOSDC/5.0/US5BOSDC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5BOSDC/5.0/US5BOSDC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5BOSDC/5.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.0 | Nov 24, 2025 | metadata.json |