NOAA S-57 chart cell
Southern Massachusetts
US4MA1CC
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 222
- S-57 layers
- 23
- Published
- Jun 3, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 41.10000° N
- South
- 40.80000° N
- West
- 71.10000° W
- East
- 70.80000° W
- Center
- 40.95000° N, 70.95000° W
- Bounds area
- 245 sq nm
- Feature density
- 0.906 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.7
- Smallest layer
- 1
- Largest layer
- 57
- Area sq km
- 840
- Features per sq km
- 0.26414
- LNDARE Land area 57
- LNDMRK 57
- LIGHTS Light 45
- DEPARE Depth area 10
- DEPCNT Depth contour 9
- CBLSUB 5
- SBDARE Seabed area 5
- BOYSPP Special purpose buoy 4
- SOUNDG Sounding 4
- WRECKS Wreck 4
- DMPGRD 3
- M_QUAL Data quality 3
- SEAARE Sea area 3
- CTNARE Caution area 2
- M_NPUB 2
- MAGVAR Magnetic variation 2
- CONZNE 1
- COSARE 1
- EXEZNE 1
- M_COVR Coverage 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/US4MA1CC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MA1CC/3.0/US4MA1CC.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MA1CC/3.0/US4MA1CC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MA1CC/3.0/US4MA1CC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MA1CC/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | Jun 3, 2026 | metadata.json |