What is the minimum number of degrees an aircraft must be turned for successful radar identification?

To achieve successful radar identification, an aircraft must be turned a minimum of 30 degrees. This degree of turn allows for a sufficient change in the radar target's position, making it easier for controllers to discern the aircraft from others within the radar coverage area. A 30-degree turn provides a clear visual on the radar screen that differentiates the aircraft, thereby aiding in their identification.

This requirement is rooted in ensuring precision during air traffic management. If the turn is less than 30 degrees, it may not result in a distinct positional change that can be reliably used for identification purposes, which is crucial in maintaining safe separation and coordination among multiple aircraft.