What are V1, Vr, and V2 speeds for Operating Conditions R-3?

The speeds V1, Vr, and V2 are critical for aircraft performance and safety during takeoff. In Operating Conditions R-3, the correct values for these speeds can directly affect the aircraft's ability to take off safely and efficiently.

V1 is the maximum speed at which the pilot must decide whether to continue the takeoff or abort it in the event of an emergency. Vr is the rotation speed, at which the pilot pulls back on the control yoke to lift the nose of the aircraft for takeoff. V2 is the takeoff safety speed that the aircraft must reach to safely climb in the event of engine failure after takeoff. These speeds are determined based on various factors, including aircraft weight, environmental conditions, and runway length.

The choice that lists V1, Vr, and V2 speeds as 138, 138, and 142 knots indicates specific performance calculations that align with the operational limitations of the aircraft under those conditions, recognizing the importance of each speed for maintaining control and ensuring a successful takeoff. Understanding these critical speeds helps the flight crew make informed decisions and maintains safety during flight operations.