NOAA S-57 chart cell

Umpqua, OR

US4OR1FD

Usage band
Approach · code 4
Current edition
1.2
Features
288
S-57 layers
32
Published
May 11, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
43.80000° N
South
43.50000° N
West
124.20000° W
East
123.90000° W
Center
43.65000° N, 124.05000° W
Bounds area
235 sq nm
Feature density
1.2268 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
9
Smallest layer
1
Largest layer
96
Area sq km
805
Features per sq km
0.35768
  1. SLOGRD 96
  2. LIGHTS Light 29
  3. DAYMAR 24
  4. COALNE Coastline 23
  5. BCNLAT Lateral beacon 17
  6. RIVERS River 16
  7. BRIDGE 9
  8. BCNSPP Special purpose beacon 8
  9. CBLOHD 7
  10. DEPARE Depth area 7
  11. LNDARE Land area 7
  12. BUAARE 5
  13. DEPCNT Depth contour 5
  14. LNDRGN Land region 5
  15. M_QUAL Data quality 5
  16. BOYSPP Special purpose buoy 4
  17. BOYLAT Lateral buoy 2
  18. OBSTRN Obstruction 2
  19. SLCONS Shoreline construction 2
  20. SLOTOP 2

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
1.2 May 11, 2026 metadata.json