DURATION: 1.5 Hrs
OBJECTIVES
During this lesson, the student will gain an understanding of hazards and dangers of flight related to helicopter aerodynamics.

Content
A) Resonance
1) Sympathetic &amp; Ground Resonance
a) Cause and effect
b) Corrective action

B) Dynamic/Static Rollover
1) Cause and effect
2) Corrective actions

C) Vibrations
1) Low frequency
a) Lateral, longitudinal or vertical
b) Rate
c) Probable causes
2) Medium frequency
a) Rate
b) Probable causes
3) High frequency
a) Rate
b) Probable cause

D) Vortex Ring State (Settling with power)
1) Definition
2) Conditions likely to cause settling with power
3) Corrective actions

E) Overpitching
1) Cause and effect
2) Recovery actions

F) Loss of Tail Rotor Effectiveness (LTE)
1) Situations that lead to LTE
a) Quartering Wind
b) Crosswind
c) Weather Vane
d) Overpitching
2) Indications
3) Corrective actions

G) Tail Rotor Failure in Flight / Hover
1) Indications
2) Corrective Actions

H) Jammed Pedals (Fixed Pitch) 
1) Causes
2) Corrective Actions

I) Low G
1) Definition
2) Conditions likely to cause Low G
3) Corrective actions

J) Mast bumping
1) Causes
2) Recovery techniques

COMPLETION STANDARDS
This lesson will be complete when, by oral examination, the student displays an understanding of the material presented and has completed the study assignment.