NOAA S-57 chart cell

Massachusetts

US3MA1CE

Usage band
Coastal · code 3
Current edition
1.0
Features
366
S-57 layers
17
Published
Apr 17, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
43.20000° N
South
42.00000° N
West
68.40000° W
East
67.20000° W
Center
42.60000° N, 67.80000° W
Bounds area
3,821 sq nm
Feature density
0.0958 / sq nm

Chart Statistics

17 largest layers shown

Average features per layer
21.5
Smallest layer
1
Largest layer
142
Area sq km
13,106
Features per sq km
0.02793
  1. DEPARE Depth area 142
  2. DEPCNT Depth contour 137
  3. SBDARE Seabed area 33
  4. SEAARE Sea area 14
  5. WRECKS Wreck 9
  6. M_QUAL Data quality 7
  7. SOUNDG Sounding 5
  8. CBLSUB 4
  9. MAGVAR Magnetic variation 3
  10. OBSTRN Obstruction 3
  11. M_COVR Coverage 2
  12. RESARE 2
  13. COSARE 1
  14. DMPGRD 1
  15. EXEZNE 1
  16. M_NPUB 1
  17. 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.

Editions

Edition Published Metadata
1.0 Apr 17, 2026 metadata.json