OBJECTIVES:
This lesson will review helicopter components, systems and instruments.  Some components of other helicopters will also be discussed.

CONTENT:
Airframe, tailboom and empennage
Main rotor systems
Tail rotor
Transmission
Gearboxes
Drive train
Clutch
Freewheeling unit (sprague clutch)
Landing gear
Rotor brake
Seats

COMPLETION STANDARDS:
This lesson will be complete when, by oral examination, the student displays an understanding of the material presented.