Aircraft Primary Control Surface br br Just watch the video - "Movements br of an aircraft about its axes", before br watching this video to understand br better.. br br Primary Control br Surfaces help to change br the attitude of the br aircraft along the three br axes. br br #1. Aileron - It helps the br aircraft to move along br the lateral axis i.e. br rolling movement br br #2. Elevator - It helps br the aircraft to move br along the longitudinal br axis i.e. pitching br movement br br #3. Rudder - It helps the br aircraft to move about br the normal axis i.e. br yawing movement br br Table of Contents: br br Topics: Time: br br #1. Primary Control Surface 00:13 br #2. Aileron 00:24 br #3. Elevator 00:35 br #4. Rudder 00:46 br br Music: Song title - Bensound.