NOAA S-57 chart cell

Southern Massachusetts

US4MA1CE

Usage band
Approach · code 4
Current edition
1.30
Features
163
S-57 layers
23
Published
Jan 23, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
41.10000° N
South
40.80000° N
West
70.50000° W
East
70.20000° W
Center
40.95000° N, 70.35000° W
Bounds area
245 sq nm
Feature density
0.6652 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
7.1
Smallest layer
1
Largest layer
39
Area sq km
840
Features per sq km
0.19394
  1. LIGHTS Light 39
  2. LNDARE Land area 36
  3. LNDMRK 36
  4. CBLSUB 10
  5. SBDARE Seabed area 7
  6. DEPARE Depth area 5
  7. DEPCNT Depth contour 4
  8. WRECKS Wreck 4
  9. BOYSPP Special purpose buoy 3
  10. M_NPUB 2
  11. M_QUAL Data quality 2
  12. MAGVAR Magnetic variation 2
  13. OBSTRN Obstruction 2
  14. SOUNDG Sounding 2
  15. CONZNE 1
  16. COSARE 1
  17. CTNARE Caution area 1
  18. DMPGRD 1
  19. EXEZNE 1
  20. 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.

Editions

Edition Published Metadata
1.30 Jan 23, 2026 metadata.json