Chapter Five - P-4010067

CHAPTER FIVE

TERMINAL OBJECTIVE

5.0

Upon completion of this chapter, the student will be able to identify undesirable flight

phenomena and state the solutions to the problems associated with these flight conditions.

ENABLING OBJECTIVES

5.1

Define retreating blade stall by stating its cause and the effects on helicopter flight.

5.1.1

State the solution to retreating blade stall.

5.2

Define compressibility effect by stating its cause and the effects on helicopter flight.

5.2.1

State the solution to compressibility effect.

5.3

Define the vortex ring state by stating its cause and the effects on helicopter flight.

5.3.1

State the recovery techniques for the vortex ring state.

5.4

Define power required exceeds power available by stating its cause and the effects on

helicopter flight.

5.4.1

State the recovery technique for power required exceeds power available.

5.5

Define ground resonance by stating its cause and the effects on helicopter flight.

5.5.1

State the techniques to cease ground resonance.

5.6

Define dynamic rollover by stating the two essential elements required for rollover to

occur.

5.7

Define mast bumping by stating its cause and the effect on the helicopter.

5.7.1

State the major and minor causes of mast bumping.

5.7.2

State the indications of mast bumping.

5.7.3

State the recovery technique for mast bumping.

5.8

State the three categories of helicopter vibrations.

5.8.1

State the cockpit indications of each category.

5.8.2

State the possible sources for each category.

FLIGHT PHENOMENA 5-1