NOAA S-57 chart cell

Maine

US4ME1BC

Usage band
Approach · code 4
Current edition
1.5
Features
1,049
S-57 layers
42
Published
Oct 22, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
43.80000° N
South
43.50000° N
West
70.50000° W
East
70.20000° W
Center
43.65000° N, 70.35000° W
Bounds area
235 sq nm
Feature density
4.4685 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
25
Smallest layer
1
Largest layer
205
Area sq km
805
Features per sq km
1.30281
  1. COALNE Coastline 205
  2. SLCONS Shoreline construction 136
  3. DEPARE Depth area 106
  4. DEPCNT Depth contour 104
  5. SBDARE Seabed area 72
  6. RIVERS River 63
  7. UWTROC Underwater rock 61
  8. LNDRGN Land region 49
  9. LNDARE Land area 32
  10. PONTON 24
  11. BRIDGE 23
  12. SEAARE Sea area 22
  13. LIGHTS Light 19
  14. BOYLAT Lateral buoy 14
  15. M_QUAL Data quality 14
  16. SOUNDG Sounding 13
  17. LNDELV 11
  18. LNDMRK 11
  19. BUAARE 10
  20. LAKARE 9

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
1.5 Oct 22, 2025 metadata.json