What is the required separation time for two departures on the same runway with courses diverging by 45° within 5 minutes after takeoff?

The required separation time for two departures on the same runway with courses diverging by 45° within 5 minutes after takeoff is indeed 2 minutes. This is based on established air traffic control procedures and separation standards designed to ensure safety during takeoff and initial climb phases.

When aircraft depart in a manner where their flight paths will diverge by at least 45 degrees, they can be considered to have enough lateral separation. However, even with this divergence, it is crucial to maintain adequate time separation to avoid wake turbulence and collisions during the initial climb, particularly as both aircraft are transitioning through similar altitudes shortly after takeoff.

The 2-minute separation standard is a balance between ensuring a safe distance between aircraft while allowing for efficient use of the runway. This procedure helps air traffic controllers manage departures effectively, ensuring that even in close time frames, each aircraft can proceed safely on its intended course.