Balance tab vs Anti-balance tab
January 27, 2026
Balance tab is NOT Trim tab! balance tab’s movement is linked to the primary surface’s position, while a trim tab stays in a fixed position until adjusted. Balance tabs are rigged to operate automatically with application of the elevator and assist the pilot in reducing the control force necessary to move the elevator. They work in much the
What’s Speed Instability, region of reverse command, backside of the power curve ?
January 27, 2026
Introduction – why pilot should know these phases? What Is “Speed Instability”? Speed Instability, region of reverse command, backside of the power curve are just different terms to describe same topic! reverse command is encountered at low airspeed. It is also known as the back of the power curve, and is normally situated below the