Aerodynamics

Phugoid Oscillation

Definition

A long-period oscillation of aircraft pitch and altitude at essentially constant angle of attack. The aircraft slowly exchanges altitude for airspeed and vice versa. Usually lightly damped and easily controlled.

Related Terms

Dynamic Stability

The response of an aircraft over time following a disturbance. An aircraft may o...

Short Period Oscillation

A rapid pitch oscillation at constant speed involving rapid changes in angle of ...

Pitch

Rotation of the aircraft about its lateral axis, controlled by the elevator or s...

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