Question

The angle between the relative wind and the longitudinal datum line on the fuselage is called as?

(a) Flight path angle

(b) Glide angle

(c) Relative angle

(d) Angle of attack

The question was asked during an internship interview.

Enquiry is from Temperature, Angle of Attack and Angle of Side Slip Measurements in chapter Air Data Systems, Altitude and Heading Reference of Avionics

Answer 1

The correct choice is (d) Angle of attack

The best I can explain: Angle of attack is the angle, in the normally vertical plane of symmetry of the aircraft, at which the relative wind meets an arbitrary longitudinal datum line on the fuselage. Angle of attack, is important as it corresponds to the amount of lift produced and the dangerous condition of stall.