NOAA S-57 chart cell

Maine

US4ME1BD

Usage band
Approach · code 4
Current edition
1.5
Features
6,008
S-57 layers
66
Published
May 7, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
43.80000° N
South
43.50000° N
West
70.20000° W
East
69.90000° W
Center
43.65000° N, 70.05000° W
Bounds area
235 sq nm
Feature density
25.5928 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
91
Smallest layer
1
Largest layer
1,397
Area sq km
805
Features per sq km
7.46168
  1. DEPCNT Depth contour 1,397
  2. DEPARE Depth area 1,383
  3. SBDARE Seabed area 1,021
  4. COALNE Coastline 520
  5. UWTROC Underwater rock 394
  6. LNDARE Land area 243
  7. SLCONS Shoreline construction 164
  8. BOYLAT Lateral buoy 146
  9. SEAARE Sea area 113
  10. M_QUAL Data quality 72
  11. LNDRGN Land region 71
  12. LIGHTS Light 53
  13. OBSTRN Obstruction 46
  14. LNDELV 39
  15. PONTON 37
  16. SWPARE 34
  17. LNDMRK 24
  18. DWRTPT 23
  19. FOGSIG 22
  20. SOUNDG Sounding 18

Nearby Chart Cells

Approach usage band

  1. Maine US4ME1BC - about 13 nm away
  2. Maine US4ME1BE - about 13 nm away
  3. Maine US4ME1AD - about 18 nm away
  4. Maine US4ME1CD - about 18 nm away
  5. Maine US4ME1CE - about 22 nm away
  6. Maine US4ME1AC - 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
1.5 May 7, 2025 metadata.json