NOAA S-57 chart cell

Massachusetts

US3MA1BE

Usage band
Coastal · code 3
Current edition
1.0
Features
557
S-57 layers
17
Published
Apr 17, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
42.00000° N
South
40.80000° N
West
68.40000° W
East
67.20000° W
Center
41.40000° N, 67.80000° W
Bounds area
3,894 sq nm
Feature density
0.143 / sq nm

Chart Statistics

17 largest layers shown

Average features per layer
32.8
Smallest layer
1
Largest layer
212
Area sq km
13,355
Features per sq km
0.04171
  1. SBDARE Seabed area 212
  2. DEPARE Depth area 139
  3. DEPCNT Depth contour 138
  4. WRECKS Wreck 28
  5. M_QUAL Data quality 6
  6. OBSTRN Obstruction 6
  7. SOUNDG Sounding 6
  8. MAGVAR Magnetic variation 5
  9. SEAARE Sea area 5
  10. RESARE 3
  11. WATTUR 3
  12. CBLSUB 1
  13. COSARE 1
  14. EXEZNE 1
  15. M_COVR Coverage 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