Which two pieces of information are necessary when vectoring an aircraft?

When vectoring an aircraft, it is essential to provide clear instructions that guide the pilot in efficiently changing their flight path. This is where understanding the direction of the turn and the magnetic heading to be flown comes into play.

The direction of the turn informs the pilot whether to turn left or right, which is critical for ensuring that the aircraft is routed away from obstacles, other traffic, or adverse weather conditions. In addition, the magnetic heading to be flown gives the pilot a specific course to follow, allowing for precise navigation and alignment with air traffic control instructions.

Both pieces of information are vital for maintaining safety, managing air traffic flow, and ensuring that pilots can execute the maneuver correctly and with clarity. The combination of proper directional instruction and a defined heading is particularly important in managing separation between aircraft and achieving an efficient descent or approach to the next phase of their flight.