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709 Out-of-bounds area

ISSkiOM 2019
709 Out-of-bounds area (ISSkiOM 2019 rev 2)

Geometry: area.


An out-of-bounds area. A bounding line may be drawn if there is no natural boundary, as follows:
• a solid line indicates that the boundary is marked continuously (tapes, etc.) in the terrain,
• a dashed line indicates intermittent marking in the terrain,
• no line indicates no marking in the terrain.

An out-of-bounds area shall not be entered.


Minimum area: 2 mm x 2 mm (footprint 30 m x 30 m).

Colour: purple (upper purple).


  • line width of raster 0.25 -> 0.2 mm
  • distance between raster lines 0.8 -> 1.2 mm
  • bounding line 0.25 -> 0.4 mm