NOAA S-57 chart cell

Commonwealth of the Northern Mariana Islands

US2SP01M

Usage band
General · code 2
Current edition
21.0
Features
708
S-57 layers
34
Published
Mar 15, 2023
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
21.27135° N
South
11.70459° N
West
140.50507° E
East
148.49423° E
Center
16.48797° N, 144.49965° E
Bounds area
263,885 sq nm
Feature density
0.0027 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
20.8
Smallest layer
1
Largest layer
189
Area sq km
905,099
Features per sq km
0.00078
  1. DEPCNT Depth contour 189
  2. DEPARE Depth area 178
  3. M_QUAL Data quality 36
  4. SOUNDG Sounding 35
  5. LIGHTS Light 31
  6. OBSTRN Obstruction 27
  7. LNDARE Land area 25
  8. BOYSPP Special purpose buoy 23
  9. SEAARE Sea area 22
  10. COALNE Coastline 20
  11. LNDELV 18
  12. MAGVAR Magnetic variation 17
  13. CBLSUB 11
  14. LNDRGN Land region 11
  15. ADMARE 10
  16. SBDARE Seabed area 10
  17. UWTROC Underwater rock 10
  18. LNDMRK 7
  19. DMPGRD 5
  20. SLCONS Shoreline construction 3

Nearby Chart Cells

General 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
21.0 Mar 15, 2023 metadata.json