What type of line indicates a friendly response on radar displays?

A dashed line on radar displays typically indicates a friendly response. This line is used to differentiate between friendly and potentially hostile objects. When radar systems detect an object, the nature of that object is often conveyed visually by different line styles or colors on the display. The use of a dashed line serves to signal that the object in question is identified as friendly, assisting operators in making quick decisions based on the information presented.

In contrast, other line types, such as solid or dotted lines, may represent different statuses or classifications that do not correspond to a friendly identification. Understanding these visual cues is crucial for radar operators, as they provide immediate context and enhance situational awareness in monitoring airspace or maritime environments.