NOAA S-57 chart cell

Southern Massachusetts

US4MA1FF

Usage band
Approach · code 4
Current edition
1.4
Features
1,002
S-57 layers
43
Published
May 13, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
42.00000° N
South
41.70000° N
West
70.20000° W
East
69.90000° W
Center
41.85000° N, 70.05000° W
Bounds area
242 sq nm
Feature density
4.1461 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
23.3
Smallest layer
1
Largest layer
200
Area sq km
829
Features per sq km
1.20882
  1. COALNE Coastline 200
  2. LNDRGN Land region 109
  3. DEPARE Depth area 98
  4. DEPCNT Depth contour 93
  5. RIVERS River 81
  6. UWTROC Underwater rock 74
  7. SBDARE Seabed area 65
  8. LNDARE Land area 50
  9. BUISGL 28
  10. SLCONS Shoreline construction 23
  11. SEAARE Sea area 22
  12. LAKARE 19
  13. LNDMRK 18
  14. BOYLAT Lateral buoy 17
  15. BUAARE 15
  16. M_QUAL Data quality 13
  17. LIGHTS Light 10
  18. WRECKS Wreck 9
  19. RESARE 8
  20. CTNARE Caution area 5

Nearby Chart Cells

Approach usage band

  1. Cape Cod Bay to Cape Cod Canal US4MA1FE - about 13 nm away
  2. Southern Massachusetts US4MA1FG - about 13 nm away
  3. Northern Massachusetts US4MA1GF - about 18 nm away
  4. Southern Massachusetts US4MA1EF - about 18 nm away
  5. Cape Cod Bay and North Atlantic Ocean US4MA1GE - about 22 nm away
  6. Northeast of Cape Cod US4MA1GG - about 22 nm away

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
1.4 May 13, 2026 metadata.json