NOAA S-57 chart cell
Massachusetts
US3MA1BF
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 125
- S-57 layers
- 15
- Published
- Apr 17, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.00000° N
- South
- 40.80000° N
- West
- 67.20000° W
- East
- 66.00000° W
- Center
- 41.40000° N, 66.60000° W
- Bounds area
- 3,894 sq nm
- Feature density
- 0.0321 / sq nm
Chart Statistics
15 largest layers shown
- Average features per layer
- 8.3
- Smallest layer
- 1
- Largest layer
- 43
- Area sq km
- 13,355
- Features per sq km
- 0.00936
- SBDARE Seabed area 43
- WRECKS Wreck 22
- DEPARE Depth area 20
- DEPCNT Depth contour 19
- SOUNDG Sounding 5
- M_QUAL Data quality 3
- SEAARE Sea area 3
- M_COVR Coverage 2
- MAGVAR Magnetic variation 2
- BOYSPP Special purpose buoy 1
- COSARE 1
- EXEZNE 1
- LIGHTS Light 1
- M_NPUB 1
- M_NSYS 1
Nearby Chart Cells
Coastal 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/US3MA1BF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3MA1BF/1.0/US3MA1BF.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3MA1BF/1.0/US3MA1BF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3MA1BF/1.0/US3MA1BF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3MA1BF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 17, 2026 | metadata.json |