Skip to main content

709 Out-of-bounds area

ISSprOM 2019-2
709 Out-of-bounds area (ISSprOM 2019-2)

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 width: 3 mm.

Minimum area: 9 mm² (footprint 144 m²).

Colour: purple (upper purple).


The definition of this map symbol was updated on 02.01.2022:

  • Graphics of the symbols are drawn at the scale of 1:4 000
  • Change of line width of cross hatch: 0.25 –> 0.2 mm
  • Change of gap of cross hatch: 0.8 –> 1.2 mm
  • Change of minimum sizes

The definition of this map symbol was updated on 20.01.2020: Precise definition of colour: upper and lower purple.

Correct examples