What is the visual signal used to initiate an interval takeoff?

For an interval takeoff in formation flying, the correct approach does not utilize a specific visual signal. Instead, pilots rely on their training and situational awareness to execute the maneuver. An interval takeoff is characterized by the aircraft departing one after the other with a designated spacing, but this is typically initiated based on the lead aircraft’s actions and prior briefings rather than a formalized signal.

In formation flying, effective communication and a mutual understanding of procedures are crucial, and pilots are trained to interpret the intentions of their formation leader. This reliance on coordination rather than explicit visual signals helps maintain safety and operational efficiency, allowing each aircraft to depart safely while achieving the desired interval.

Other options suggest various signals like flashing lights, hand signals, or smoke signals, which are not standard for initiating an interval takeoff. These methods may be used in different contexts within aviation, but they are not part of the widely accepted protocols for initiating this specific maneuver in formation flying.