NOAA S-57 chart cell
Southern Massachusetts
US4MA1FC
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 151
- S-57 layers
- 19
- Published
- Dec 13, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.00000° N
- South
- 41.70000° N
- West
- 71.10000° W
- East
- 70.80000° W
- Center
- 41.85000° N, 70.95000° W
- Bounds area
- 242 sq nm
- Feature density
- 0.6248 / sq nm
Chart Statistics
19 largest layers shown
- Average features per layer
- 7.9
- Smallest layer
- 1
- Largest layer
- 49
- Area sq km
- 829
- Features per sq km
- 0.18217
- COALNE Coastline 49
- RIVERS River 24
- SLCONS Shoreline construction 18
- LNDRGN Land region 16
- BRIDGE 10
- BUISGL 10
- BUAARE 3
- LNDMRK 3
- SEAARE Sea area 3
- DEPARE Depth area 2
- LAKARE 2
- LNDARE Land area 2
- M_QUAL Data quality 2
- RESARE 2
- CTNARE Caution area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
Nearby Chart Cells
Approach 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/US4MA1FC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MA1FC/1.0/US4MA1FC.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MA1FC/1.0/US4MA1FC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MA1FC/1.0/US4MA1FC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MA1FC/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 13, 2024 | metadata.json |