Standard rate turn

A standard rate turn in aircraft maneuvering, also known as a rate one turn (ROT), is defined as a turn at 3° per second..

Executing a standard rate turn completes a 360° turn in 2 minutes. This is known as a 2-minute turn, or rate one (180°/min). Fast airplanes, or aircraft on certain precision approaches, use a half-standard-rate ('rate half' in some countries), completing a 360° turn in 4 minutes.