Describe surfaces that affect longitudinal stability or control.

Description should include the types, effects, purposes, and operation of surfaces such as horizontal tail, canard, elevators, and stabilizers. Description should also include the following concepts:

• At the rear of the fuselage of most aircraft is a horizontal stabilizer and an elevator.
• The stabilizer is a fixed-wing section that provides stability for the aircraft to keep it flying level.
• The horizontal stabilizer prevents up-and-down or pitching motion of the aircraft nose.

PLT213

Process/Skill Questions:

• What is the importance of a horizontal stabilizer?