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Which factor must be reduced in constant angle of attack and constant altitude method?

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in Aircraft Performance by (558k points)
Which factor must be reduced in constant angle of attack and constant altitude method?

(a) Mach number

(b) Angle of attack

(c) Altitude

(d) Temperature

This question was addressed to me in examination.

My doubt stems from Cruise Method 2 in portion Cruising Performance of Aircraft Performance

1 Answer

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Best answer
Right answer is (a) Mach number

The explanation: The factor that must be reduced in cruise method 2 (also known as constant angle of attack and constant altitude method) is mach number. Also the ratio of lift to drag and relative airspeed are kept constant i.e. L/D ratio and uare constant throughout the method.

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